Galvanometer
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1992.2385.001
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- OBJECT TYPE
- TANGENT
- DATE
- Unknown
- ARTIFACT NUMBER
- 1992.2385.001
- MANUFACTURER
- Harris, P. & Co. Ltd.
- MODEL
- Unknown
- LOCATION
- Birmingham, England
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD BASE/ METAL FEET & WORKING PARTS/ PAPER SCALE/ FABRIC GASKET
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 20.3 cm
- Width
- 19.0 cm
- Height
- 18.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Demonstration & teaching equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Harris
- Country
- England
- State/Province
- Unknown
- City
- Birmingham
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
PART OF LARGE & VARIED COLLECTION OF OVER 7500 ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN 1960S. COLLECTION WAS THOUGHT TO BE LARGEST & MOST COMPREHENSIVE IN CANADA & WAS DONATED TO NMST IN 1992. - Function
-
INSTRUMENT FOR DETECTING EXISTENCE & DETERMINING STRENGTH OF SMALL ELECTRIC CURRENTS. - Technical
-
TANGENT GALVANOMETER WAS FIRST DESCRIBED IN 1837 BY CLAUDE-SERVAIS-MATHIAS POUILLET (1790-1868), WHO LATER USED THIS FORM OF GALVANOMETER TO VERIFY OHM'S LAW. THESE LARGE STATIONARY COIL TYPE GALVANOMETERS WERE STANDARD CURRENT MEASURING INSTRUMENT INTO LAST QUARTER OF 19TH C. & WERE STILL IN USE IN 20TH C.(REFS. 2&3). - Area Notes
-
Unknown
Details
- Markings
- INCISED WHITE LETTERING IN WOOD READS "P. HARRIS & Co. Ld. BIRMINGHAM, ENGLAND"/ BLACK SCALE MARKINGS
- Missing
- UNKNOWN
- Finish
- BASE STAINED BROWN & COATED/ GOLD COLOURED METAL/ WHITE SCALE/ GREEN FABRIC
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Harris, P. & Co. Ltd., Galvanometer, Unknown Date, Artifact no. 1992.2385, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2385.001/
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