Galvanometer
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1974.0244.001
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- OBJECT TYPE
- MIRROR/MOVING COIL/DC
- DATE
- 1954
- ARTIFACT NUMBER
- 1974.0244.001
- MANUFACTURER
- Leeds & Northrup Co.
- MODEL
- 2239/P
- LOCATION
- Philadelphia, Pennsylvania, United States of America
More Information
General Information
- Serial #
- 1013497
- Part Number
- 1
- Total Parts
- 4
- AKA
- N/A
- Patents
- N/A
- General Description
- Metal body with clear glass window in the center. Metal rod protruding from the top of the main body. A paper tag is attached to the metal rod using fiber string.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 35.0 cm
- Width
- 16.0 cm
- Height
- 7.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Computing Technology
- Category
- Development & maintenance equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Leeds Northrup
- Country
- United States of America
- State/Province
- Pennsylvania
- City
- Philadelphia
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
Unknown - Technical
-
The ancestors of the moving coil instrument were the "siphon recorder" developed by William Thomson (1867) for the telegraph industry and the "fishbone galvanometer" invented by Marcel Deprez (1880). Jacques D'Arsonval, suggested fixing the "fishbone" in Deprez's instrument and making its coil moveable... (see complete ws in o:drive S.I.) - Area Notes
-
Unknown
Details
- Markings
- N/A
- Missing
- N/A
- Finish
- Main body has a satin black "bumpy" and smooth finish. Rod protruding from the top of the main body has satin silver metallic smooth finish. Attached paper tag is white with black markings, and is attached with a white/brown fibre string.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Leeds & Northrup Co., Galvanometer, before 1954, Artifact no. 1974.0244, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0244.001/
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