General Information

Serial #

5907

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

Steel or aluminium body/ glass window/ paper scale/ ceramic on base.

Dimensions

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

Length

23.0 cm

Width

17.8 cm

Height

8.0 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

Ontario

Period

Unknown

Canada

Used at Ottawa Hydro Commission generating station.

Function

Simultaneously measures voltage (in volts) and current (in amps.) of one or two circuits.

Technical

Permanent magnet moveable coil type switchboard duplex voltammeter. The ability to easily read two meters simultaneous was very useful for many applications, including use in automobiles and for comparing two similar circuits. An aluminium case is used to reduce weight. The meter is nearly-water proof, and is designed to withstand constant mechanical vibrations.

Area Notes

Unknown

Details

Markings

Mfr. plate on left side: 'PATENTED NOVEMBER 6, 1888, No 392387/ APR. 29, 1890. No 427022./ VOLTS./ WESTON ELECTRICAL INSTRUMENT CO.,/ NEWARK, N.J., U.S.A.' ; Mfr. plate on right side: 'PATENTED/ FEB. 17, 1891, No 446489, JAN. 1, 1895 No 531.669/ MAR. 22.1898 No 600.981. OCT.4, 1898. No 611.722./ AMPERES./ DESIGN PATENT MAR. 22, 1898. No 28.395./ No 5907 [stamped in]'

Missing

Two wires connected to base are cut. One ebonite binding post knob. Pointer of ammeter.

Finish

Black paint. Polished aluminium.

Decoration

N/A