General Information

Serial #

7002

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOOD - BLACK WALNUT WITH METAL HARDWARE AND WORKING PARTS/ LEATHER HANDLE/ GLASS SCALE COVER

Dimensions

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

Length

19.5 cm

Width

18.5 cm

Height

8.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Energy-electric

Category

Measurement

Sub-Category

N/A

Manufacturer

AKA

Weston

Country

United States of America

State/Province

New Jersey

City

Newark

Context

Country

Canada

State/Province

Unknown

Period

PROBABLY USED FROM THE 1930S TO THE 1960S

Canada

TYPE SAMPLE OF INSTRUMENT USED BY THE INSPECTIONS BRANCH IN CANADA

Function

USED FOR MEASURING THE STRENGTH OF AN ELECTRICAL CURRENT IN MILLI-AMMETERS.

Technical

MODEL 155 INSTRUMENTS ARE EXTENSIVELY USED FOR GENERAL LABORATORY TESTING AS WELL AS FIELD WORK. HAND CALIBRATED MIRROR SCALES FACILITATE ACCURATE READING. [REF 1]

Area Notes

Unknown

Details

Markings

MFG'S PLATE ON TOP: 'MADE BY THE/ WESTON ELECTRICAL INSTRUMENT CO./ NEWARK., N.J.,U.S.A./ PATENTED/ JAN.1,95 NO 531669 MAR.22,98 NO 28392 MAR.22,98 NO 28393/ OCT.4,98 NO 611723 OCT.4, 98 NO 611722/ OTHER PATENTS PENDING./ MODEL 155 NO 7002'/ SCALE PLATE: 'WESTON A.C. MIL-AMMETER/ NO.10463/ 0 [TO] 150'/ PLATE ON SIDE: 'DOMINION OF CANADA/ DEP. OF TRADE AND COMMERCE/ STANDARDS DIVISION/ INSPECTION STANDARD NO L253'/ PAPER LABEL AFFIXED TO SIDE:' DO NOT REMOVE/ NE PAS DECOLLER/ Holding unit - Deteneur/ 205B/ E.D.R.-R.D./ 64209'/ HANDWRITTEN TWICE ON BODY: 'L253'

Missing

N/A

Finish

WOODENCASE STAINED AND VARNISHED/ BROWN LEATHER HANDLE/ SCALE BASE WHITE BLACK PRINTING

Decoration

N/A