General Information

Serial #

36806

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

Metal casing. Bakelite knobs. Glass window.

Dimensions

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

Length

9.0 cm

Width

8.3 cm

Height

9.6 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Service-test equipment

Sub-Category

N/A

Manufacturer

AKA

Weston

Country

United States of America

State/Province

New Jersey

City

Newark

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

Typical galvanometer used in Canadian industry.

Function

An instrument for detecting the existence and determining the strength of small electrical currents. Measures DC current in amperes.

Technical

This instrument is a permanent magnet moveable coil type DC round panel galvanometer. It is a very popular meter for use in classrooms due to its sturdiness, portability and acceptable accuracy. Ancestors of moving coil instruments were 'siphon recorders', developed by William Thomson (1867) for use in the telegraph industry, and 'fishbone galvanometers', which were invented by Marcel Deprez (1880). Jacques d'Arsonval suggested fixing 'fishbone' in Deprez's instrument and making its coil moveable... (see complete WS in S.I. & O: drive S.I.)

Area Notes

Unknown

Details

Markings

On scale: 'WESTON/ D.C. GALVANOMETER/ WESTON ELECTRICAL INSTRUMENT CORP., NEWARK, N.J., U.S.A./ MODEL 375/ NO. 36806 [stamped in]'

Missing

N/A

Finish

Black wrinkle finish on casing. Black enamel dial casing. Silver coloured dial. Black bakelite.

Decoration

N/A