Test set, radio circuit
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1968.0915.001
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- OBJECT TYPE
- Portable DC/Single range
- DATE
- 1914–1930
- ARTIFACT NUMBER
- 1968.0915.001
- MANUFACTURER
- National Carbon Co.
- MODEL
- 1002
- LOCATION
- Long Island, New York, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- Brass body/ glass window/ metal scale/ metal binding posts.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.0 cm
- Width
- 5.0 cm
- Height
- 1.7 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
- New York
- City
- Long Island
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1912-1930
- Canada
-
Used in Canada. - 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 voltmeter used to test dry-cell batteries such as those used in "automobiles, motor boats, gas tractors, stationary engines" (see reference). Relatively inexpensive meters that were also often used by early home radio builders. - Area Notes
-
Unknown
Details
- Markings
- Printed on face: 'EVEREADY/ AMPERES/ AMERICAN EVER READY WORKS/ OF NATIONAL CARBON CO./ LONG ISLAND CITY/ N.Y./ PAT. AUG. 9, 1910'
- Missing
- Terminal nuts & connecting wires.
- Finish
- Nickel-plated case (badly worn); meter face, silver with black lettering.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
National Carbon Co., Test set, radio circuit, circa 1914–1930, Artifact no. 1968.0915, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0915.001/
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