General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CARDSTOCK WITH METAL HARDWARE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

20.5 cm

Width

10.9 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Domestic Technology

Category

Environment control

Sub-Category

N/A

Manufacturer

AKA

Bacharach

Country

United States of America

State/Province

Pennsylvania

City

Pittsburgh

Context

Country

North America

State/Province

Unknown

Period

PROBABLY USED IN THE 1940S AND 1950S

Canada

Unknown

Function

USED TO CALCULATE THE COMBUSTION EFFICIENCY OF A FUEL BURNING DEVICE AT PARTICULAR NET STACK TEMPERATURES SET AT THE % CO2 LEVEL FOUND BY MEASURING WITH A GAS ANALYSER. THIS IN TURN IS USED TO CALCULATE SAVINGS IF EFFICIENCY IS IMPROVED BY USING TABLE ON BACK OF CALCULATOR.

Technical

SIMPLE DEVICE TO ASSIST IN IMPROVING FUEL EFFICENCY AND ALSO AN ADVERTISING DEVICE TO SELL BACHARACH PRODUCTS.

Area Notes

Unknown

Details

Markings

PRINTING ON FRONT INCLUDES: 'FIRE/ Efficiency/ FINDER/.../ BACHARACH INDUSTRIAL INSTRUMENT COMPANY/ PITTSBURGH 8, PA./ Fuel Saving and Installation Service Instruments'/ PRINTING ON BACK INCLUDES: 'SAVINGS FOR EVERY $100 FUEL COSTS/ BY INCREASE OF COMBUSTION EFFICIENCY/ [CHART]/ TEMPOINT/ STACK THERMOMETER/.../ TRUE-SPOT/ SMOKE TESTER/.../DRAFT GAUGES.../ TEMPSCRIBE MOTOR OPERATION RECORDER/.../ The instrument shown above are typical of our complete line of heat-/ ing service instruments. For further information request Bulletin 729....'

Missing

N/A

Finish

MULTI-COLOURED PRINTING - PRIMARILY YELLOW, GREEN AND ORANGE

Decoration

FRONT: DRAWING OF A FYRITE GAS ANALYSER; BACK PHOTOS OF VARIOUS BACHARACH PRODUCTS [SEE DIGITAL PHOTOS]