Ammeter
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1981.0342.001
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- OBJECT TYPE
- Pocket DC/Single range/Battery equipment
- DATE
- 1910–1930
- ARTIFACT NUMBER
- 1981.0342.001
- MANUFACTURER
- Canadian National Carbon Co. Ltd.
- MODEL
- Unknown
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- Radio circuit test set
- Patents
- N/A
- General Description
- Brass case. Glass window. Metal scale. Textile covered wiring.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 5.1 cm
- Height
- 1.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Radio
- Sub-Category
- N/A
Manufacturer
- AKA
- National Carbon
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1912-1930
- Canada
-
Ordered by a Canadian company for use in the mining industry. Made in Toronto. - Function
-
Used to measure direct current of batteries in amperes. Generally used to service battery radios by the owner and/or radio service personnel. - Technical
-
DC pocket ammeter for testing dry-cell batteries. - Area Notes
-
Unknown
Details
- Markings
- Printed on face: 'AMPERES/ CANADIAN NATIONAL/ CARBON CO. LTD./ TORONTO ONTARIO/ PAT. AUG. 9, 1910/ MADE IN U.S.A.'
- Missing
- Cracked glass meter face and cover.
- Finish
- Nickel-plated case. Meter face, silver with black lettering, brown test cord.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Canadian National Carbon Co. Ltd., Ammeter, circa 1910–1930, Artifact no. 1981.0342, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1981.0342.001/
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