Galvanometer

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Ingenium, 1982.0418.001
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OBJECT TYPE
Portable DC/Single range
DATE
1933–1960
ARTIFACT NUMBER
1982.0418.001
MANUFACTURER
Weston Electrical Instrument Corp.
MODEL
375
LOCATION
Newark, New Jersey, United States of America

More Information


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

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If you choose to share our information about this collection object, please cite:

Weston Electrical Instrument Corp., Galvanometer, circa 1933–1960, Artifact no. 1982.0418, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1982.0418.001/

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