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1978 GM-Frigidaire Microwave Oven Service Manual
Comprehensive service manual to all Frigidaire Microwave Ovens. Models Included: RCM-5, RCM-7, RWM-7, RCM-9 |
Microwave Ovens Published by: Frigidaire |
0 | 86 | 110mb | $14.99 | |
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1975 Frigidaire Wall Ovens and 30 Inch Electric Ranges Service Manual
Complete service manual to all 1975 Frigidaire home 30" wide electric cooking ranges along with all 1975 Frigidaire Wall Ovens. Complete troubleshooting, service instructions and wiring diagrams included. Models include:
Wall Ovens: RBG-94, RBG-97, RBE-94, RBE-97
30" Ranges: RB-530, RBG-533, RBE-533, RBEG-539C. |
Ranges/Stoves Published by: Frigidaire |
1975 | 80 | 123mb | $14.99 | |
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1976 Frigidaire Touch-N-Cook Range Service Manual
Complete service manual to 1976 Frigidaire Touch-N-Cook Electric Range and Oven, model REG-39CD. |
Ranges/Stoves Published by: Frigidaire |
1976 | 40 | 60mb | $14.99 | |
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1977 Frigidaire Built-In Touch-N-Cook Ranges Service Manual
Complete service manual to 1977 Frigidaire Touch-N-Cook Built in cooking appliances. Models include: REG-539CD, RE-94D, RB139D. |
Ranges/Stoves Published by: Frigidaire |
1977 | 68 | 106mb | $14.99 | |
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1973 Frigidaire Ceramic Ceramatop Range Service Manual
Complete service manual to Frigidaire ceramic top range model number RCDE3-37CU. Complete troubleshooting, service instructions and wiring diagrams included. |
Ranges/Stoves Published by: Frigidaire |
1973 | 39 | 62mb | $14.99 | |
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1976 Frigidaire Built-In Electric Ranges Service Manual
Complete service manual to all 1976 Frigidaire built-in electric ranges and wall ovens. Complete troubleshooting, service instructions and wiring diagrams included. Models include:
R-530, RG-533, RE-537, REG-539C, RB-131, RB-133, RB-137C, RG-94, RE-94, RG-97, RE-97 |
Ranges/Stoves Published by: Frigidaire |
1976 | 95 | 130mb | $14.99 | |
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1979 Frigidaire 30 Inch Electric Ranges Service Manual
Complete service manual to all 1979 Frigidaire home 30" wide electric cooking ranges. Complete troubleshooting, service instructions and wiring diagrams included. Models include:
RE-636VG, REG-638VG, REG-639CVG, REM-638VG, REM639CVG |
Ranges/Stoves Published by: Frigidaire |
1979 | 86 | 113mb | $14.99 | |
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1968 Frigidaire Free-Standing Electric Range Service Manual
Here is the comprehensive service manual to all 1968 Frigidaire 30" and 40" free standing electric ranges. Models include:
30" Ranges: RSA-30N, RS-30N, RS-35N, RD-35N, RDG-38N, RCDG-39N, RE-30N, RSAE-30N, RSE-36N, RDE-38N, RCDE-39N, RCIE-39N, RXE-39N
40" Ranges: RS-10N, RD-20N, RDDG-20N, RCDG-71N, RSE-15N, RDE-20N, RCIE-75N 24" Ranges: RAN-4, RAH-4 |
Ranges/Stoves Published by: Frigidaire |
1968 | 74 | 106mb | $14.99 | |
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1968 Frigidaire Refrigerator-Freezer N Line Service Manual
Here is the comprehensive service manual for all 1968 Frigidaire home refrigerator-freezer models. Models include:
D-100N, D-116N, FD123TN, FD-141TN, FCDM-148N, FPD-121TN, FPD-146TN, FPD-146TAN, FPD-166TN, FPD-166TAN, FPD-144BN |
Refrigerators/Freezers Published by: Frigidaire |
1968 | 95 | 71mb | $14.99 | |
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Frigidaire Basic Refrigeration Home Study Course
Here is a great primer to learning how to service 20th century refrigerator-freezers. It is a home study course from Frigidaire although this is valid for most brands of refrigerators. Topics include:
Basic Food Preservation,
Fundamentals of Refrigeration, Systems and Components |
Refrigerators/Freezers Published by: Frigidaire |
1978 | 64 | 71mb | $14.99 | |
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1953-1958 Frigidaire Refrigerator Parts Catalog
Here is a complete catalog with illustrations of parts, part names and part numbers for all Frigidaire Home Refrigerator-Freezers. Models Include...
1953 Models:
AS-44, AS-44F, AS-61, AS-83, AS-76, SS-77, DS-90, OS-106, IS-106, IS-106P, IS-108, IS-108P, MS-86, MS-90, SS-72, SS-74, SS-86, SS-86P, SS-97, SS-114 1954 Models: AT-44, AT-61, CT-70, CT-701, CT-702,CTD-84, CTD-84P, CTD-841, CTD-841P, CTD-842, CTD-842P, CTD-103, CTD-1031, CTD-1032, CTD-103S, CTI-103, CTI-103P, CTI-1031, CTI-1031P, CTI-1032, CTI-1032P, CTI-130, CTI-130P, CTI-1301, CTI-1301P, CTI-1302, CTI-1302P, CTI-150, CTI-150P, CTI-1501, CTI-1501P, CTI-1502, CTI-1502P, ST-76, ST-761, ST-762, STD-76, STD-761, STD-762, STD-91, STD-91P, STD-911, STD-911P, STD-912, STD-912P, STD-110, STD-1101, STD-1102 1955 Models: AY-44, AY-61, CDV-84, CDV-103, CDV-103P, CDV-1031, CDV-1031P, CDV-1032, CDV-1032P, CDV-103S, CDV-112S, CIV-84, CIV-84P, CIV-841, CIV-842, CIV-841P, CIV-842P, CIV-1121P, CIY-1122P, CIV-112, CIV-112P, CIV-1121, CIV-1122, CIV-115, CIV-115P, CIV-1151, CIV-1152, CIV-1151P, CIV-1152P, CIV-1501P, CIV-1502P, CIV-143, CIV-143P, CIV-1431, CIV-1431P, CIV-1432, CIV-1432P, CIV-150, CIV-150P, CIV-1501, CIV-1502, SV-76, SDV-76, SV-76S, SDV-91, SDV-91P, SDV-911, SDV-912, SDV-110, SDV-91S, SDV-911P, SDV-912P, SDV-91PS 1956 Models: A-44-56, A-61-56, CP-120-56, PCP-120-56, CP-143-56, PCP-143-56, FD-95-56, PFD-120-56, FD-120-56F0-95-56, FD-120-56, FDS-120-56, FDS-121-56, FI-121, PFI-121-56, FIW-150, S-80-56, S-80-56, SA-80-56, SS-80-56, SS-80-56, SAW-81, SSW-81, SA-80-56, SS-80-56, SAW-81, SSW-81, S-101-56, PS-101-56, S-121-56, SS-101-56 1957 & 1958 Models: CP-123-57, CP-141-57, CP-125-58, CP-144-58, CP-123-57, CP-141-57, CP-125-58, CP-144-58, PGP-141-57, PCP-144-58, D-11S-58, FD-101-57, FD-102-57, FD-120-57, FD-120-57, PFD-120, FD-122-58, FD-122-58, FI-120-57, FI-123-58, FI-120-57, FI-123-58, PFI-120-57, PFI-123-58, FI-121-57, FI-122-58, FI-121-57, FI-122-58, PFI-122-58, FP-142-58, FP-142-58, FS-101-57, FD-104-58, FD-104-58, PFS-101-57, PFD-104-58, S-80-57, SA-81-57, S-8-58, SA-8-58, S-80-57, SA-81-57, SS-81-57, S-8-58, SA-8-58, SS-8-58, SS-81-57, SS-8-58, S-104-57, S-124-57, D-11-58, D-13-58, S-104-57, S-124-57, D-11-58, D-13-58, PD-11-58 Having the manufacturers part number for the part you need is essential for doing internet/eBay searches to locate these rare, no longer available parts. In many circumstances they can be found once you know the part number. This guide is essential for anyone who has any vintage Frigidaire appliance. |
Refrigerators/Freezers Published by: Frigidaire |
1958 | 634 | 145mb | $14.99 | |
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1965 Frigidaire Refrigerator-Freezer J Line Service Manual
Here is the comprehensive service manual for all 1965 Frigidaire home refrigerator-freezer models. Also included is the supplement for servicing their brand new automatic ice maker. Models include:
S-10J, D-10J, D-12J, D-14J, FD-12TJ, FDA-13TJ, FD-13TJ, FD-14BJ, FCDM-14J, FPD-12TJ, FPDA-14TJ, FPD-14TJ, FPDA-14BJ, FPD-14BJ, FPD-16BJ, FPD-19BJ, FPI-12TJ, FPI-14TJ, FPI-14BJ, FPI-16BJ, FPI-19BJ, FPI-16BAJ. |
Refrigerators/Freezers Published by: Frigidaire |
1965 | 120 | 103mb | $14.99 | |
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1966 Frigidaire Refrigerator-Freezer K Line Service Manual
Here is the comprehensive service manual for all 1966 Frigidaire home refrigerator-freezer models. Models include:
S-10K,D-10K, D-12K, D-14L, FDA-12TK, FDA-13TK, FD-13TK, FDA-14BK, FCDM-14K, FPDA-14-12TK, FPDA-14TK |
Refrigerators/Freezers Published by: Frigidaire |
1965 | 96 | 72mb | $14.99 | |
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1955 ABC-O-Matic Automatic Washer Service Manual
Full and comprehensive service manual to the 1955 line of ABC-O-Matic automatic and semi-automatic washers. Service bulletins also included at the end of the document. Models include: 61, 71, 81 and 91. |
Automatic Washers Published by: ABC-O-Matic |
1955 | 56 | 77mb | $12.99 | |
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1965-1966 Frigidaire Coin-Operated Washers Service Manual
Here are the service manuals to the first Super-Duty transmission commercial/coin-op automatic washers from Frigidaire. These are the 1010rpm spin/18 minute cycle washers. Models include: WCOJ, WCOJ-M, WCOJ-LP, WCOJ-MLP, WCK, WCK-LP, WCK-M, WCK-MLP. |
Automatic Washers Published by: Frigidaire |
1965 | 132 | 171mb | $12.99 | |
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1964 Montgomery Ward Portable Dishwasher Owners Manual
Here are the complete use/care and operating instructions to Montgomery Ward's Signature portable dishwasher model FFT-977 and FFT-937. |
Dishwashers Published by: Montgomery Ward |
1964 | 12 | 22mb | $11.99 | |
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1953-1960 Westinghouse Service Beacons
Here is a random sampling of Westinghouse Service Beacons from '53-'60. These are service bulletins that were released every few months on Westinghouse appliances. They include tips on servicing, new procedures and product changes. |
Automatic Washers & Dryers Published by: Westinghouse |
1960 | 230 | 222mb | $12.99 | |
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1961-1962 Westinghouse Service Beacons
Here is a random sampling of Westinghouse Service Beacons from '61 thru '62 These are service bulletins that were released every few months on Westinghouse appliances. They include tips on servicing, new procedures and product changes. |
Automatic Washers & Dryers Published by: Westinghouse |
1962 | 268 | 176mb | $12.99 | |
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1963-1965 Westinghouse Service Beacons
Here is a random sampling of Westinghouse Service Beacons from '63 thru '65 These are service bulletins that were released every few months on Westinghouse appliances. They include tips on servicing, new procedures and product changes. |
Automatic Washers & Dryers Published by: Westinghouse |
1965 | 274 | 218mb | $12.99 | |
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1972 Kenmore Washer Owners Manual
Here is the owners manual, wash guide, parts list and installation instructions packed with every 600 series Kenmore automatic washer from 1972. Models include: 110.7204610, 110.7204660, 110.7205610, 110.7205660. |
Automatic Washers Published by: Kenmore |
1972 | 48 | 56mb | $14.99 | |
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1954 Kenmore Washer Owners Manual
Here is the complete use and care guide to the 1954 Kenmore Automatic Washer. |
Automatic Washers Published by: Kenmore |
1954 | 20 | 26mb | $11.99 | |
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1959 Kenmore Automatic Washer Owners Manual
Here is the complete owners manual and operating instructions to the middle of the line Kenmore Alphabet Automatic Washer from 1959. |
Automatic Washers Published by: Kenmore |
1959 | 20 | 28mb | $11.99 | |
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Electrolux XII Vacuum Cleaner Owners Manual
Here is the complete owners manual and use/care guide to Electrolux Vacuum model XII. |
Vacuum Cleaners Published by: Electrolux Vacuum (now Aerus) |
1933 | 36 | 43mb | $11.99 | |
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1967 Easy Automatic Washer Service Manual
Here is the comprehensive service manual to Easy automatic washers from 1967. Models include: WA-355, WA-344, WA-323, WA-322, WA-3226, WA-321. Sections include: Specifications, Features, Installation, Servicing and Troubleshooting. |
Automatic Washers Published by: Easy |
1967 | 60 | 72mb | $12.99 | |
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Construction and Operation of the Bendix Home Laundry
Here is an early service manual for Bendix bolt-down front-loading automatic washers. It covers the pre-war models. Parts catalog at the end also covers post war models up to the early 1950's. Sections include:
Construction and Operation
Installing Servicing The Business of Service Washing Practice Parts Catalog Models: S-101, B-201, S-110, B-210, B-215, B-211, B-212 |
Automatic Washers Published by: Bendix |
1941 | 181 | 182mb | $14.99 | |
25 Random Items from the Library | |||||||
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Norge Washer Line Brochures
Beautiful Brochures for the line of Norge washers. Includes brochures for the very first "Plus-Capacity" perforated tub Norge washers! |
Automatic Washers Published by: Norge |
1964 | 12 | 20mb | $8.99 | |
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Here is the Amazing New Maytag Filter Agitator!
Here is a wonderful item, it is a cardboard advertising flier given out when Maytag first introduced their new Lint Filter Agitator. Colorful and whimsical with great hand drawn illustrations of the agitator and filtering process. |
Automatic Washers Published by: Maytag |
1958 | 4 | 5mb | $8.99 | |
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1957 Kelvinator Automatic Washer Service Manual
Here is the comprehensive service manual for all 1957 Kelvinator automatic washers. Also include is complete parts catalog for all '57 washer models as well. Having the manufacturers part number for the part you need is essential for doing internet/eBay searches to locate these rare, no longer available parts. In many circumstances they can be found once you know the part number. |
Automatic Washers Published by: Kelvinator |
1957 | 80 | 55mb | $12.99 | |
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Kelvinator Dishwasher Use and Care Guide
The complete owners manual to Kelvinator D&M style dishwashers. |
Dishwashers Published by: Kelvinator |
1980 | 12 | 5mb | $11.99 | |
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Preway Gas Dishwasher Maintenance Manual
Maintenance manual for the very rare Preway Gas Dishwasher model 2530. Shows diagram of machine, full cycle chart, wiring diagram and service procedures. |
Dishwashers Published by: Preway |
1962 | 26 | 13mb | $12.99 | |
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Apex Wash-A-Matic 3000 Series Service Manual
Service manual for servicing the early Apex Wash-a-Matic automatic washers. Sections include: Details of Wash-A-Matic, Tools, Diaphragm and Drive Mechanism, Bearing Housing Drive Yoke and Counter Weight Assembly, Timer, Mixing Valve and Temperature Control, Pilot Valve, Balancing Valve and Diaphragm, Light Socket and Switch Box Assembly, Complaints-Causes and Remedy, Wiring Diagram, Changing Motor and Belt, Dismantling and Re-Assembling. |
Automatic Washers Published by: Apex |
1949 | 32 | 18mb | $12.99 | |
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Why Maytag Means More
"A dishwasher comparison report by the dependability people." Maytag compares its dishwasher to Kenmore, Westinghouse, Frigidaire, KitchenAid and General Electric dishwashers. Report shows why "they can't clean like a Maytag". |
Dishwashers Published by: Maytag |
1977 | 12 | 6mb | $8.99 | |
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1964 Frigidaire Electric Ranges
Brochure with beautiful illustrations of the complete 1964 line of Electric Ranges from Frigidaire. "new, dramatic built- in look ••• selections and features for every cook!" Sections include:
Frigidaire Flair - Looks Built in, but is it? Frigidaire Has a Dramatic New Flair for Every Kitchen The New Twin-30 Flair Exclusive Frigidaire Pull 'n Clean Oven A selection of Seven Frigidaire 40" A selection of Seven Frigidaire 30" True Built-Ins! |
Ranges/Stoves Published by: Frigidaire |
1964 | 16 | 33mb | $9.99 | |
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1958 GM Frigidaire 40 and 30 inch Electric Range Line Brochures
Absolutely wonderful brochures highlighting General Motors/Frigidaire line of 40" and 30" electric ranges. Beautiful illustrations and complete specifications. |
Ranges/Stoves Published by: Frigidaire |
1958 | 18 | 27mb | $9.99 | |
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1965 Automatic Washer Facts Manual
Speed Queen produced their Facts Manuals to give to dealers and customers information regarding their products throughout the 60's. These documents are filled with beatiful images, illustrations and full specifications. |
Automatic Washers Published by: Speed Queen |
1965 | 8 | 7mb | $8.99 | |
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1965 Philco Top-Loading Automatic Washer Service Manual
Here is a wonderful and rare service manual for all 1965 Philco Top Loading automatic washers. Sections include full images, control panel views and complete specifications for each model, timer sequence charts for all available cycles on each machine, wiring diagrams, diagrams showing how machine operates, full service procedures and parts lists. Models include: W2F8, W2F6, W3F4, W2F3, W2F2, W2F1 and W2F3S. |
Automatic Washers Published by: Philco |
1965 | 73 | 26mb | $12.99 | |
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Ronson Ron-matic Foodmatic Owners Manual
Here is the complete owners manual to the Ronson Foodmatic system. Sections include: Your Foodmatic
Foodmatic Attachments
Power Module Mixers, Beaters and Bowls Food Processor Blender Knife and Scissors Sharpener Meat Grinder Ice Crusher Coffee Mill Stirring Cooker Deep Fry Basket Ice Cream Maker Custom Molded Trays and Slides Service |
Small Appliances Published by: Ronson |
1974 | 40 | 17mb | $11.99 | |
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1956 Bendix Front Loading Automatic Washer Service Manual
Here is the comprehensive service manual to all 1956 Bendix automatic washers. Models include: WFG-D. Sections include: Cabinet, Clothes Door, Electrical Circuits and Cycles, Electrical Controls, Installation, Latch, Motor, Pump, Transmission, Specifications, Suspended Unit Assembly, Service Procedures, Water Inlet, Water Control. |
Automatic Washers Published by: Bendix |
1956 | 41 | 29mb | $12.99 | |
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1963 Hobart Dishwashing and Food Processing Equipment
Here is a fascinating catalog of restaurant dishwashing and food processing equipment by Hobart. Home dishwashing equipment is also included at the end with the 14 Series KitchenAid dishwashers highlighted. |
Full Catalog Published by: Hobart |
1963 | 12 | 20mb | $8.99 | |
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Service manual to the Westinghouse Combination Washer-Dryer WD-2
Here is the complete service manual for Westinghouse's second combo model, the WD-2 referred to as the "Wash 'n Dry Laundromat". Sections include: Specifications and parts, installation, cycle of operation, dry cycle components, electrical diagrams and charts, troubleshooting, thermostat checks and parts replacement. |
Combination Washer/Dryers Published by: Westinghouse |
1956 | 24 | 9mb | $12.99 | |
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KitchenAid KD-14 Series Dishwasher Service Manual
Comprehensive service manual for all 14 Series KitchenAid dishwashers. Models include KDS-14, KDI-14, KDC-14, KDS-14P, KDI-14P, KDC-14P. Sections include General Information, Cycle Description, Servicing Instructions, Service Tips, Schematic Wiring, Timer Sequence Charts. |
Dishwashers Published by: KitchenAid |
1960 | 85 | 52mb | $14.99 | |
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Washday Recipes, Care, Use of your Westinghouse Laundromat
Full owners manual and operating instructions to the 1952-1953 Westinghouse Laundromat models LB-6 (standard Laundromat model) and RL-1 (bolt-down model). |
Automatic Washers Published by: Westinghouse |
1952 | 44 | 17mb | $11.99 | |
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Maytag Quick Reference Part Number Index
Here is a wonderful reference for any fan of vintage Maytag appliances. It lists common parts and their related part numbers for all Maytag Appliances. Automatic washers indexes go from the 1949 model AMP (Maytag's first automatic) all the way up to 1986 models. Sections include:
Automatic Washers - Commercial
Automatic Washers - Domestic Conversion Kit - WC to WU Dishwasher Cooktop - Electric Cooktop - Gas_ Dishwashers Dishwasher Panel Charts Disposers Dryers - Commercial Dryers - Domestic Dryer Gas Control Information Laundry Center- Washer and Dryer - 81000 Microwaves Motor and External Start Switches Porta-Dryer Porta-Washer Ranges - Electric Ranges - Gas Timers - Microwaves INDEX Timers and Timer Motors - Commercial Dryers Timers and Timer Motors - Commercial Washers Timers and Timer Motors - Dishwashers Timers and Timer Motors - Domestic Dryers Timers and Timer Motors- Domestic Washers Wall Ovens - Electric Wall Ovens - Gas Wringer Washers |
Full Catalog Published by: Maytag |
1986 | 95 | 72mb | $12.99 | |
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Beautiful 1960 Westinghouse Washer and Dryer Brochures
Here are some wonderful full color brochures for the entire line of 1960 Westinghouse Laundromat Clothes Washers and Dryers for the home. Images and full specifications for each model included. Models include: L-1000, D-1000, LAA-30, DAA-30, LBA-30, DBA-30, L-124, D-124, LGA-30, DGA-30. |
Automatic Washers & Dryers Published by: Westinghouse |
1960 | 16 | 19mb | $8.99 | |
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Maytag Porta-Washer Service Manual
Full service manual for Maytag's twin tub portable washer. |
Twin Tub Washers Published by: Maytag |
1972 | 34 | 22mb | $12.99 | |
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KitchenAid 16 Series Dishwasher Parts Catalog
Here is the complete parts list to all 16 series KitchenAid dishwashers. This includes illustrations of all parts and their part numbers necessary for doing a parts search on old, hard to find replacement parts. Also include is the listing of available kits and accessories at the time these dishwashers were made. Models include: KDS-16 KDI-16
KDC-16 KD-36 KD-56 KD-56A |
Dishwashers Published by: KitchenAid |
1969 | 88 | 31mb | $14.99 | |
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General Electric Range/Oven Technical Data Manual Self-Cleaning Oven (P7) Sections
This technical data manual produced by GE concerns all of their electric ranges from the early and mid 1960's. These have tips to help you service your range. This section relates to the self cleaning ranges of 1964-1965. It should be used in conjunction with Main GE Range Technical Data Manual Sections include: Introduction, Components, Diagnosis, Wiring, Service Notes. |
Ranges/Stoves Published by: General Electric |
1964 | 120 | 59mb | $14.99 | |
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KitchenAid 18 Series Automatic Dishwashers Brochure
Here is the complete brochure to all built-in KitchenAid Dishwashers from the 18 series. Models include KDS-18, KDI-18 and KDC-18. Full images and and specifications for each model. |
Dishwashers Published by: KitchenAid |
1977 | 6 | 4mb | $9.99 | |
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1984 General Electric Washer Use and Care Book
Here is the complete owners manual and use/care guide to GE Automatic Washer model WWA8364V. |
Automatic Washers Published by: General Electric |
1984 | 32 | 63mb | $11.99 | |
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The GE Review
The GE Review was an engineering magazine created to report on the advances of technology of the time, including advances in Home Appliances. Editorial: The Fourth of July New Switchgear Laboratory Goes into Operation Late last month on the flatlands of southwest Philadelphia, GE’s new high-capacity switchgear development laboratory was officially dedicated. With Company spokesmen looking ahead to an annual U.S. power consumption of possibly a trillion kw-hrs by 1965—more than triple the amount now being used—the new laboratory will aid in the development of switch- gear of higher ratings to keep pace with this phenomenal growth. continued… Engineering the Automatic Washer The automatic clothes washer is a simple device—to the housewife. She throws in the laundry, sets a control dial, and goes about her telephoning. A short time later she removes the laundry—washed and damp-dried. Simply stated, the function of a domestic washing machine is to get the laundry clean, rinse out the detergent, and extract most of the water. For a third of the century these operations were performed with a machine in which the laundry was manually lifted from the tub and fed through a water- extraction device. Most of these devices were wringers, powered by the washing- machine motor. A limited number were the centrifugal-extraction type using the same or a separate tub. continued… Stopping Ships Even with modern navigating and communication aids there are times when things get out of hand and a collision ol ships appears imminent. The need for meeting this situation—rare though it may he—has an influence on the design of ships’ power plants. Most large and fast ships are powered bv a steam turbine that drives the propeller through suitable gearing and shafting. The astern power that is used for stopping a ship is provided by a comparatively small separate section of the main turbine. The question immediately arises as to why the astern element can’t be given the same power as the ahead element. Well, it can. The simplest arrangement would he another turbine of the same size geared to drive the propeller backwards. continued… Ferromagnetography Contrary to general belief printing did not originate with Gutenberg; to the ancient Chinese belongs the credit. They made engravings—used mainly for printing on silk cloth—by carving figures out of wooden blocks. Later, around 1120 BC. they introduced wooden blocks of movable type. Modern printing, on the other hand, began in the middle ages—about the year 1423. It was during this period that Johann Gutenberg, a German stonemason, had the idea of printing with movable type. So he set about his skill, cutting alphabets out of small wooden blocks to be used for typesetting. A friend advised him to use metal instead of wood, since it wouldn’t wear out so easily. This he did. As you can imagine, this task required many years and a large expenditure of money. He financed his operations by borrowing money on the type he’d already completed. Then, to prove to his creditors and the many cynics the worth of his efforts, he completely reproduced the Bible in print. continued… Cool Breezes — Story of the Electric Fan Fans preceded written history by many centuries. Some of the most ancient known fans were those of the Chinese dating back to 3000 BC. And ceremonial fans were used in 1700 BC by the reigning monarchs of Egypt and Assyria. Some thousand years later the "punkah" —a hand-swung lightweight ceiling-suspended fan—was introduced in India, and even today is still in use there. From exquisitely made folding tans of the Japanese, followed by 17th century Paris creations of surpassing beauty, we come to the practical palm-leaf type and simpler folding fans of grandmother’s day. It’s not possible to give the exact age of the electric fan—the youngest member of the ancient family of fans. But the earliest record of a U.S. patent awarded for an electric fan was in 1854. This was a ceiling-suspended assembly of several large fan blades, each hinged along one edge to a horizontal rotating arm driven by a battery-operated motor. Arms on the blades struck projections causing the blades to vibrate and thus agitate the air. continued… Longer Life for Dry-type Transformers Improvements in dry-type power transformers and their insulations is a good example of how electrical engineers are continually making progress in lengthening the life span of electric equipment and increasing its endurance to higher temperatures. For many years insulations known as Class A were about the only ones available to the transformer designer. These insulations consisted of materials such as cotton, silk, or paper—impregnated with organic varnishes to give them additional mechanical and electrical strength. They were used in a medium of mineral oil or air. Such insulations were relatively inexpensive but a maximum allowable temperature limit of 105 C was necessary for reasonable life. continued… The G10 Germanium Rectifier In 1886 a German chemist by the name of Alexander Winkler found an unknown metal sulfide and isolated the element which he called germanium. It has a shiny metallic appearance, is extremely hard and brittle, and is recovered as a by-product in the smelting and refining of zinc ores. Because germanium falls into group four of the periodic table, it has some of the chemical characteristics of the elements on either side of it. Germanium is both an electrical conductor and an electrical insulator, depending on its temperature, and is classed as a semiconductor. continued… Nylon for Bearings and Gears Although nylon is generally associated with such decorative items as stockings and sweaters, we have found that its versatility extends well into the fields of bearings, gears, and other workaday applications. Nylon is tough at low7 temperatures, is resistant to abrasion, has strength in thin sections, is light in weight, has certain self-lubricating qualities, and is resistant to many chemicals. Properties are given in the table on the opposite page. Exact characteristics and specifications can be found in the literature put out by the manufacturers of nylon molding powders. Bearing Tests - Of interest to design engineers is published data that shows the effect of wear on nylon when used as a bearing material. Results of tests using nylon against nylon, steel, and brass under various loads and speeds, and with various lubricants, are given on page 35. As you may suspect, the lowest rates of wear are found when nylon is run against nylon in a dry condition, as well as when nylon is run against steel lubricated with SAE 10 oil. When nylon is rubbed against brass, the metal flakes off and contaminates the hearing surface. continued… The Unit Cost of Light There’s more to figuring the cost of a lighting system than adding up the prices of fixtures, installation, and electricity. A tabulation of over-all annual costs that the customer may expect to pay appeals to the businessman, because it is expressed in his own language. Rut further analytical cost studies of operating and maintenance methods and lamp efficiencies may show you the way to worth-while savings or better lighting for the same expenditure. To help you along this economic pathway a relatively simple formula has been devised. It is referred to as the "unit cost of light” method. In its most flexible form it deals with the raw light as generated by the lamps in just one fixture. Then, once the unit cost of light in dollars per million lumen hours is known, you can easily apply it to a specific installation if over-all costs are also desired. continued… Added Kick for Turbojet Engines Getting an 80-ton airplane into the air in a matter of seconds is no easy job. The problem is one of providing more than normal maximum thrust or "kick” at take-off. In the case of B-45 and B-47 jet bombers, their power plants (J-47 turbojet engines—one is shown on the adjacent page) were equipped with combustion-chamber water-alcohol injection systems for augmenting thrust. Variations of these systems boost the take-off thrust from 15 to 25 percent or higher. As a result, heavy jet-powered aircraft can take off from minimum- length runways with maximum safety. continued… Are We Ready for Railroad Electrification in the U. S.? . Admittedly, widespread electrification in I lie United States is not just around the corner. Rut there is an element in the cost of railroad electrification and in the success of operation through the ensuing years that can not be settled too soon. This all-important factor is standardization. And standardization is so important primarily because it permits repetitive manufacture. Standardization, of course, offers other advantages that may be more familiar, but every day brings new evidence that a custom-designed article built in a job shop cannot compete with a highly engineered item produced under conditions of repetitive manufacture. It is time for all who may have a hand in railroad electrification in the United States to start sifting out the alternatives and to find agreement on what may be the standard system of electrification in this country. Let us speak briefly about the prospects of electrification and [hen expand the theme of standardization. continued… A Brightening Outlook - When will we see railroad electrification resumed in the United States? The answer depends largely on costs, with the cost of fuel or energy being a big part of the expense of locomotive operation. When we compare the cost of diesel fuel with the cost of purchased electric power at the figures current today, we find them roughly equivalent. We are speaking, of course, of gallons of fuel oil or kilowatt-hours of electricity at the locomotive. As long as power costs in these two forms are even approximately equal, it is obvious that the diesel- electric locomotive with its lower investment is the correct answer for new installations. At the same time this approximate equality tells us that extensive electrified systems already installed should continue to be operated. continued… New Safeguard for Protective Coatings You can best define a plastics material as a synthetic organic substance. At some stage of production it’s plastic— capable of being shaped; or liquid— capable of being cast. Furthermore, it’s either thermoplastic or thermosetting. If thermoplastic, it softens under heat and can he remolded. If thermosetting, it sets under heat and can’t be remolded. Phenolic materials are thermosetting plastics. And from practically the outset of the industry they’ve enjoyed an ever- expanding market. They take many and various forms. Probably the most familiar to you are radio cabinets, telephone handsets, buttons, tube bases, mechanical parts, and so on. continued… Dollar-sign Engineering The photo sequence beginning on the next page will show you how a value analyst operates—step by step—on a typical project. Here, it’s the timer for the automatic clothes washer. Because space doesn't permit us to show the results of the analysis on every part of the timer, we have selected one part as being typical. (In the actual project more than 30 individual parts of the timer were analyzed for value.) It should be emphasized that nothing was wrong with the timer when we approached the Value Analysis Unit and requested a survey. The timer operated satisfactorily and costs were in line with similar products. But. as is the case with far-sighted management, they wanted to see if it wasn’t possible to further eliminate any unnecessary costs. continued… Moisture vs Rubber Insulation Although rubber compounds are used to waterproof such everyday items as overshoes, raincoats, and garden hoses, rubber compounds in general can’t be considered waterproof when used as an insulation for wire and cable. What works on raincoats may not work on cables—the basic differences are: length of exposure; effect of moisture on the electrical properties. Cables insulated with rubber compounds must withstand years of continual exposure with a consequent absorption of moisture. And moisture absorption has proved to be a contributing factor in cable failures. continued… |
Trade Publications Published by: The Review |
1952 | 58 | 61mb | $8.99 |