General Information

Serial #

13090

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS TUBE/ PAPER LABEL & SCALE/ METAL BALLS HELD IN PLACE BY UNKNOWN RED SUBSTANCE

Dimensions

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

Length

25.8 cm

Width

2.2 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Hydrostatics & fluid mechanics

Sub-Category

N/A

Manufacturer

AKA

ELECTRIC STORAGE

Country

United States of America

State/Province

Pennsylvania

City

Philadelphia

Context

Country

Canada

State/Province

Ontario

Period

C. 1923 +

Canada

FROM COLLECTION OFAUTOMOBILE PTS & SERVICING EQ ACQUIRED BY MR. T.H. OLIVER, FATHER OF DONOR, DURING CAREER IN AUTOMOTIVE SERVICING. AFTER WORKING AT WILLYS-OVERLAND & FAIRBANKS-MORSE IN TORONTO, & IN AUTO GARAGE IN AURORA, IN 1931 HE BEGAN HIS OWN BUSINESS, ONE PART OF WHICH INVOLVED AUTOMOTIVE ELECTRICAL SERVICING.

Function

DEVICE USED TO MEASURE SPECIFIC GRAVITY OF SULPHURIC ACID ELECTROLYTE OF AUTOMOBILE BATTERY, SPECIFICALLY FOR MIXING ELECTROLYTE TO CORRECT BALANCE BEFORE IT WAS ADDED TO BATTERY.

Technical

CONDITION OF STORAGE BATTERY WAS DETERMINED BY TESTING SPECIFIC GRAVITY OF ELECTROLYTE WITH EARLY HYDROMETERS SUCH AS THIS. IN EARLY 1920'S, OPERATING LIFE OF BATTERY WAS SHORT, REQUIRING THAT THEY BE WELL MAINTAINED WITH ELECTROLYTE CHECKED REGULARLY. CAR OWNER WAS ENCOURAGED TO DO THIS, PRACTICAL ONLY AS LONG AS BATTERY WAS LOCATED ON RUNNING BOARD (REF. 1).

Area Notes

Unknown

Details

Markings

.1 BLACK LETTERING ON LABEL READS "The Electric/ Storage Battery Co./ Philadelphia, Pa./ MADE IN U.S.A." & "TYPE/ V-2 B/ HYDROMETER/ PCE. NO. 13090"/ BLACK MARKINGS & NUMBERS ON SCALE

Missing

COMPLETE

Finish

COLOURLESS TRANSPARENT GLASS/ WHITE PAPER/ METALLIC BALLS WITH RED SUBSTANCE

Decoration

N/A