Galvanometer

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Ingenium, 1978.0364.001
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OBJECT TYPE
Portable DC/Single Range
DATE
1952
ARTIFACT NUMBER
1978.0364.001
MANUFACTURER
MIP
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
G 7989
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Metal case. Paper scale. Glass window. Aluminium base. Bakelite zeroing screw.

Dimensions

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

Length
11.8 cm
Width
13.1 cm
Height
14.2 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
MIP
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Used by the Canadian Overseas Telecommunications Corp. (C.O.T.C.)
Function
An instrument used to detect and measure a small electrical current in volts.
Technical
Ancestors of moving coil instruments were the 'siphon recorders' developed by William Thomson (1867) for the telegraph industry, and the 'Fishbone galvanometers' invented by Marcel Deprez (1880). Jacques d'Arsonval suggested fixing the 'fishbone' in Deprez's instrument and making its' coil moveable. (See complete worksheet in Supp. Info. and O: drive S.I.)
Area Notes
Unknown

Details

Markings
On face: 'GALVANOMETER/ MIP [LOGO]/ MOVING COIL/ SER.NO.G.7989./ F.S.D.250-0-250UA./ 1952/ RES.321 [OHM SYMBOL]/ F.G.'. C.O.T.C. label '6744' affixed to top of casing of indicating meter.
Missing
From CA of 09/23/1996 by Kevin Machan: Undetermined
Finish
Flat black casing with a wrinkled texture.
Decoration
N/A

CITE THIS OBJECT

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

MIP, Galvanometer, circa 1952, Artifact no. 1978.0364, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0364.001/

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