General Information

Serial #

13788

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

WOODEN CASE WITH METAL HARDWARE/ SYNTHETIC TOP PANEL/ GLASS OVER DIAL FACE/ METAL OR SYNTHETICKNOBS/ LEATHER HANDLE, Bakelite

Dimensions

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

Length

26.5 cm

Width

26.0 cm

Height

15.0 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Electricity

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 1950S TO THE 1990S

Canada

EXAMPLE OF AN INSTRUMENT USED BY INSPECTORS OF THE STANDARDS LAB IN CANADA

Function

USED FOR MEASURING THE MAGNITUDE OF THE ACTIVE POWER IN AN ELECTRIC CIRCUIT.

Technical

CAN BE USED FOR BOTH AC AND DC POWER MEASUREMENTS. IT INDICTES RMS VALUES, HAS NO WAVE FORM ERRORS, & IS EFFECTIVELY SHIELDED FROM EXTERNAL MAGNETIC FIELDS. [REF 1]

Area Notes

Unknown

Details

Markings

PLATE ON TOP: 'WESTON/ MODEL 310 NO 13788/ WESTON ELECTRICAL INSTRUMENT CORP./ NEWARKM N.J., U.S.A.'/ PLATE ON SIDE: '[CANADA COAT OF ARMS]/ STANDARDS BRANCH/ DEPT. OF TRADE & COMMERCE/ NO. EL859'/ ON DIAL FACE: '0 [TO] 500/ WATTS/ ALTERNATING & DIRECT CURRENT/ MAX. VOLTS 600-300-150 MAX. AMPS. 20-10/ RATED VOLTS 500-200-100 RATED AMPS. 10-5/ MODEL 310 NO. 13788'/ DESIGNATIONS ON KNOBS: '100/ V' '200/V' '500/V' 'REVERSE'/ LABEL ON FRONT:'DO NOT REMOVE/ NE PAS DECOLLER/ Holding unit-detenteur/ PEN.ENG/ E.D.R.-R.D./32867'

Missing

From CA of 02/21/2002 by Matthew Bruce: No - appears complete

Finish

WOODEN CASE STAINED AND VARNISHED/ BLACK TOP PANEL/ WHITE DIAL FACE WITH BLACK PRINTING/ BROWN LEATHER HANDLE

Decoration

N/A