General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

PAPER

Dimensions

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

Length

16.7 cm

Width

8.9 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Mathematics

Category

Calculating devices

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

DISTRIBUTED BY CANADIAN GOVERNMENT DEPARTMENT ENERGY MINES & RESOURCES AS PART OF PROGRAM TO ENCOURAGE HOMEOWNERS TO CHECK & IMPROVE EFFICIENCY OF THEIR FURNACES.

Function

CALCULATING DEVICE USED TO DETERMINE EFFICIENCY OF OIL OR GAS FURNACES USING FLUE GAS TEMPERATURE.

Technical

EXAMPLE OF SIMPLE & SPECIALIZED SLIDE RULE TYPE CALCULATOR OF TYPE PRODUCED FOR FREE MASS DISTRIBUTION. USER SETS FLUE GAS TEMPERATURE & THEN READS CARBON DIOXIDE CONCENTRATION & FURNACE EFFICIENCY.

Area Notes

Unknown

Details

Markings

BLUE & RED LETTERING ON ONE SIDE READING "Energy, Mines and/ Resources Canada/ Energie, Mines et/ Ressources Canada", "gas/ furnace efficency/ calculator/ regle por calculer/ le rendement/ du calorifere/ au gaz", WITH PRINTED SCALES & INSTRUCTIONS FOR USE/ RED & BLUE LETTERING ON OTHER SIDE READS "Energy, Mines and/ Resources Canada/ Energie, Mines et/ Ressources Canada", "oil urnace efficency/ calculator/regle por calculer/ le rendement/ du calorifere/ a l'huile" WITH PRINTED SCALES & INSTRUCTIONS FOR USE

Missing

COMPLETE

Finish

WHITE, WITH BLUE & RED PARTS

Decoration

BLUE OR RED CANADA WORDMARK