Voltmeter
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1979.0450.001
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- OBJECT TYPE
- N/A
- DATE
- 1920–1950
- ARTIFACT NUMBER
- 1979.0450.001
- MANUFACTURER
- A & M Instruments
- MODEL
- L 5441
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- Metal (some brass); copper posts/ Glass dial face and upper cylinder cover.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 18.5 cm
- Width
- 18.5 cm
- Height
- 20.0 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
- AM
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
Used by the Engineering Department of the Sangamo Company of Toronto, Ont. - Function
-
A calibrated instrument used to measure and indicate alternating current voltage, or potential difference between two points. - Technical
-
The method of calibration is unique among all the voltmeters we have in the museum. - Area Notes
-
Unknown
Details
- Markings
- Small control label (?) of Sangamo Electric Co. on top reads: 'ENG./ DEPT./ SANGAMO/ NO. 405 ['405' IN BOX] Info.on scale reads: 'A & M E.S.V. NO. L 5441'
- Missing
- none apparent
- Finish
- Black body of housing/ Brass upper cylinder.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
A & M Instruments, Voltmeter, circa 1920–1950, Artifact no. 1979.0450, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1979.0450.001/
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