Having the manufacturers original 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.

Models include: RO-70, RO-60, RO-50, RO-40, RO-20, RO-10, RO-35, RO-30, RM-3 and RM-4.

Models highlighted:
WLW1020L
WLW11OOL
WLW11OOL
WLW1600L
WLW1600L
WLW1600U
WLW1600U
WLW1630L
WLW1630L
WLW1630U
WLW2020L
WLW2020L
WLW2100L
WLW2400L
WLW2400U
WLW2600L
WLW2600U
WLW2600U
WLW2600U
WLW2620L
WLW2620L
WLW2620L
WLW2620U
WLW2620U
WLW2625U
WLW2630L
WLW2630L
WLW2630L
WLW2630U
WLW2630U
WLW4800L
WLW4800L
WLW480SL
WLW4820L
WLW4820L
WLW4830L
WLW4830L
WLW4900L
WLW4900L
WLW4950L
WLW5000L
WLW5000L

GSD2800D
GSD2600D
GSD2200D
GSD900D
GSD600D
GSD400D

How the Loudness of Sound is Determined When Evaluating Electric

Absorption Spectroscopic Analyses of Rubber Materials

Short Range Telemetry System Provides Test Data on Rotating Parts

Patent Searching

Whirlpool First Spray-Arm Dishwashers:
FU60, FU60-1, FU60-2, FU70, FU70-R, FU70-1.

Portable Top-Loading D&M Impeller Models:
FP20, FP20-1, FP50, FP50-1

Refrigerators
Space King Twins & Freezers
Built-in Ovens
Continental Ranges & Platforms
Free Standing & Slide-in Ranges
Built-in Dishwashers
Water Heaters
Compact Kitchens
Food Waste Disposers
Heavy Duty Automatic Washers, Electric and Gas Dryers
Coin-Operated Washer and Dryer
Cabinets for Kitchen and Laundry
Commercial Institutional Host Products
Type Y Year Round Air Conditioning System
Room Air Conditioners
Total Comfort System Cooling
Heat Pump & Electric Heating
Filtering & Dehumidifying
Commercial & Residential Lighting
Distribution Transformers
Elevators
Micarta® Countertops

10LW40, 10LW43, 10LW44, 10LWS44, 10LW45, 10LWW45

WASHER: WA28F2WT WA28M2WT WA28M4WT WA28M6WT
DRYER: DE/DG28T3WT DE/DG28ASWT DE/DG28A7WT

Now you can be the lady of the house, 7 days a week each week in the year, for years and years to come. Selecting the Bendix Duomatic for your home was the smartest choice you could have made-simply because nowhere in the whole wide world is there a single laundry appliance which can so completely transform work days into holidays for you.

You'll be amazed how well you will enjoy you're Duomatic if you follow the suggestions outlined in this booklet. Read it and refer to it often."

Also include brochures for KitchenAid food waste disposers, trash compactors and hot water dispenser.

Introduction, Cleaning Operation, Special Components and Construction, Operation, Servicing, Service Diagnosis, Schematics and Wiring Diagrams, New Features.

Models include:
RS731, RS758, RB745, RB778, RB790, RB515, RB525, RB535, RB536, RB545, RB566, RB635, RB646, RB670, RB690, RC525, RC535, RC545, RC546, RCS49, RC635, RC646, RC669, RC690, RW65-G and RW85-G.

YOU’LL LIKE COOKING ELECTRICALLY! It’s clean (flameless electric heat keeps pots and pans, kitchen walls and curtains shiny bright!) . . . cool (flameless electric cooking means no more hot, stuffy kitchens!) . . . fast (you cook with dependable electrical accuracy!) . . . economical (controlled electric heat means real cooking economy!)

Your new General Electric Range brings you electric cooking at its very best. It turns out everything from breakfast-for-one to wonderful party feasts . . . and does it so efficiently, so economically!

This booklet is designed to help you enjoy your new range to the fullest. It contains many practical hints for surface cooking, baking, roasting and broiling. Read it carefully, and keep it at hand for ready reference when you’re using your new range.

The recipes in this booklet have been carefully tested by preparation in General Electric Ranges at our Consumers Institute in Louisville, Kentucky. They have been selected not only to provide mouth-watering treats for your family, but also to acquaint you with the many wonderful features of your new Range.

Models include:
1960: KAA40, KCA40, KDA40, KEA40, KFA40, KBA30 KAA30, KCA30 KDA30 KEA30 KFA30

1961: KAB40, KBB40, KCB40, KDB40, KEB40, KFB40, KAB30, KBB30, KCB30, KDB30, KEB30, KFB30

1962: KAC40, KBC40, KCC40, KDC40, KEC40, KFC40, KAC30, KCC30, KDC30, KEC30, KFC30

"No matter how much you've enjoyed cooking in the past, there's even
greater pleasure awaiting you now that you have a new Westinghouse
'Speed Electric Range. It's easier to use and gives you better results than
any range you ever used. And it's easy to clean, too.

No longer need you stand at your range and stir foods as they cook. Nor
will you ever need to worry about baking-you'll get perfect results every
time in your Westinghouse Oven.

There's new accuracy in surface cooking, too. There are marked heats
on the control of each surface unit. But you can "fine-tune" any heat you
want between those settings, so that your favorite dishes come out exactly
as you want them.

This book tells you how to use your Westinghouse Range to get perfect
results. So, please read these instructions carefully, and follow them
faithfully."

KDC-14
KDS-14P
KDI-14P
KDC-14P

On The Cover:
After extensive field testing and test marketing, Maytag is introducing its combina¬tion washer-dryer nationally. The stripped-down Maytag combo pictured on this month's cover shows the rubber-mounted transmission system, water level meter and the blower condenser system. For the complete product engineering story, including Maytag's integrated control approach, read the feature on page 38.

Featured Articles:
Washington: Government Releases Refrigerator Market Study
Covers U.S. export, production licensing potential in 5 nations.

An Editorial: Are Appliances Losing Ground?
Production's booming, but the share of total market is dropping.

Stromberg-Carlson’s Modular Approach to Engineering
Component size standardization solves inventory, sales problem.

Cover Story—Design of the Month—Maytag’s Combination.
Washer-dryer integrates control of washing and drying functions..

Production Tips in Appliance Manufacturing
A series of short-short ideas in handling, processing, assembly.,

How To Get The Right Motor-Relay Combination
A fundamental article on this important product engineering job.

Motorola Designs Printed Circuits for Fast, Easy Servicing
Boards remove from tv set in seconds, make circuit tests simple.

GE Gains High-Stacking from New Packaging for Toaster
Strengthened core in corrugated paper brings storage efficiency.

Payne Uses Radiant Heat To Boost Water Heater Efficiency
Painted-on agent uses 80 percent of radiant heat usually wasted.

Paper Coating Protects Blackstone Stainless Tops In Drawing
Handling and forming scratches, imperfections are eliminated.

Plastic Shield Protects Philco Predicta TV Picture Tubes
Clear, tough material eliminates separate glass protective unit.

GE Switches To Paper for Production Wiping Operations
One-use wipers aid in plant cleanliness, efficiency and quality.

Bulletin Board, News of the Suppliers, People, Appliance Sales & Shipments Appliance Manufacturer Notes What’s New in Appliances, Advertising Index, The Editor’s Random Harvest, Bulletin Board, News of the Suppliers, People, Appliance Sales & Shipments, Appliance Manufacturer Notes, What’s New in Appliances, Advertising Index, The Editor’s Random Harvest

What’s New In Appliances Section:
Norge Dispensomat Washer, Copper Core Water Heaters, Hoover Floor-Washer, Permaglas Gas Fired Boilers, Arvin Stereo, General Electric Baby Food Warmer, NuTone Range Hood, Cornwall Heated Folding Table, Motorola Clock Radio, Sunbeam Vacuum Cleaner, Speed Queen-Kelvinator-Westinghouse 1960 Washers being unveiled.


Advertisers in this issue:
Alan Wood Steel Company, Alden Products Company, Alliance Manufacturing Co., Inc, Amerock Corporation, Amp, Incorporated, Amplex Division, Chrysler Corp, Atlas Tool & Mfg. Co, Barber-Colman Company, Baso, Inc, Belden Manufacturing Company, Bemis Bros. Bag Company, Bentley, Harris Mfg. Co, Berkeley Storage Company, Bootz Manufacturing Company, Bridgeport Thermostat Division, Robertshaw-Fulton Controls Co., Brown-Li Pe-Chap In Division, Gmc, Bundy Tubing Company, Carr Fastener Company, Div. United-Car Fastener Corp, Circle F Manufacturing Co, Cly-Del Manufacturing Company, Coating Products, Columbus Coated Fabrics Corp, Continental Screw Company, Controls Company Of America, Cords Limited Div, Essex Wire Corp, Corning Glass Works, Crucible Steel Co., Dole Valve Company, The, Dollin Corporation, Eaton Manufacturing Co, Electric Cord Sets, Inc, Electrix Corporation, Emerson Electric Mfg. Co, Essex Wire Corp., Federal Pacific Electric Co, General Electric Co., Appliance Controls Div, General Industries Co., The, Glass Laboratories, Inc, Gray Company, Grayson Controls Division, Robertshaw-Fulton Controls Co, Grigoleit Company, Grotnes Machine Works, H. F. Hanscom & Co., Inc, Hart Manufacturing Company, Heyman Manufacturing Co, Inland Steel Co, Johns-Manville Corp, King-Seeley Corporation, Leviton Mfg. Co., Lux Clock Mfg. Co.,, Mahon, R. C., Company, Masland Duraleather Co, Mcgill Manfacturing Co., , Mcquay-Norris Manufacturing Co. Mechanical Industries Production Co, Mechanical Products, Inc, Metals & Controls, A Div. Of Texas Instruments, Inc., Methode Mfg. Corp, Milford Rivet & Machine Co, Minnesota Mining & Mfg. Co, Moraine Products Division, Gmc, National Lock Company, Norgren-Stemac, Inc, Ohio Rubber Company, Olin-Mathieson Chemical Corp, Packard Electric Division, Gmc, Penn Metal Company, Inc, Proctor Electric Co, Pyramid Mouldings, Inc, Ranco Inc, R-B-M “Control” Div.-Essex Wire Corp, Reading Tube Corporation, Redmond Company, Inc, Reynolds Metals Co, Rochester Products Division-General Motors Corporation, Rockwell Products Corp., Roll Formed Products Co, Royal Electric Corporation ,Screw And Bolt Corporation Of America, Southern Screw Company, Stalwart Rubber Company, Stevens Manufacturing Co., Thermac Company, Tinnerman Products, Trenton Tubular Products Div.-Trenton Pipe Nipple Co, Ucinite Company-Div. United-Carr Fastener Corp., United States Steel Corporation Columbia-Geneva Steel Tennessee Coal & Iron American Steel & Wire United States Steel Supply, United States Steel Export Co, Varflex Corporation, Wales-Strippit, Inc.-Houdaille Industries, Weirton Steel Company, Wheeling Steel Corporation, Wiegand, Edwin L., Co, Wire & Cable Div.-Essex Wire Corp, Wisconsin Porcelain Company

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…

1952: RM-3, R0-35-2, RM-4, R0-40-2, R0-10-2, R0-50-2, R0-20-2, R0-60-2, R0-30-2, R0-70-2

1953: RM-3, RM-4, RS-30, RS-35, RS-3, RS-10, RS-20, RS-28, RS-40, RS-50, RS-60, RS-70

1954: RT-3, RT-4, RT-30, RT-38, RT-10, RT-20, RT-28, RT-45, RT-45G, RT-60, RT-70, RT-70G

Service manual includes wiring diagrams. Parts section shows all parts and part numbers. 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 Range.

CUSTOMER OPERATING INSTRUCTIONS
To Open Dishwasher Lid
Detergents
Preparation of Dishes, Pots and Pans
General Loading Instructions
Loading Small Items
Loading Procedures
Plate Warming
Loading Detergent Dispenser-
Models 8520 and 8530
Filling Wetting Agent Dispenser-Model 8530
Connecting the Water
Faucet Adapter
Unicouple
Connecting the Electricity
Starting the Dishwasher
Interrupting the Cycle
Disconnecting After Washing
Care and Cleaning of the Dishwasher
Care of Exterior Finishes
Care of Vinyl Top-Models 8520 and 8530
Care of Interior
Washing Special Items
China
Plastics
Flat Wear
Metals
Aluminum Ware
Colored Anodized Aluminum
Iron Skillets
Wood
Winter Storage

DISHWASHING FACTS
General
Detergents and Water Supplies....
Water Spots
Water Hardness
Stains and Films
Iron Film
Lime Film
Stains on Nylon Dishwasher Parts
Stainless Steel
Plastic Dishes and Wood Utensils
High Temperatures
Stains-Plastic Dinnerware
Coffee, Tea and Food Stains
Aluminum Ware

SERVICING
Cover Hinge Assemblies
Cover Assembly
Tub Gasket
Front Panel
Unicouple and Drain Assembly
Models 8520 and 8530
Model 7500
Power Cord All Models
Tub Assembly.
Air Vent and Baffle Assembly
Detergent Dispenser-Model 7500
Detergent Dispenser-Models
8520 and 8530
Wetting Agent Injector-Model 8530
Dishwasher Timer Controls
Inlet Valve
Latch and Switch Assembly
Racks
Upper Rack-Models 7500 and 8520
Upper Rack-Model 8530
Lower Rack-All Models
Motor Starting Relay
Faulty Relay Checks
Motor and Pump Mechanism Assembly
Assembly Parts
Operation
Wash Tower
Jet Swirl Shower
Circulation Rate
Wash Mechanism Servicing
Correct Positioning of Pump Cover
Washability
Spray-Arm Binding

GENERAL MAINTENANCE
Plastisol Patching
Tub Bottom Repair-Minor Cuts
and Defects
Stain Removal-Dishwasher
Tubs and Racks
Liquid Baymal (Part Number 410599)
Odor Complaints

TROUBLESHOOTING CHART
WIRING DIAGRAMS WIRING DIAGRAMS