Galvanometer

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Ingenium, 1992.2388.001
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OBJECT TYPE: N/A
DATE: Unknown
ARTIFACT NUMBER: 1992.2388.001

MANUFACTURER: General Radio Co.
MODEL: 129
LOCATION: Cambridge, Massachusetts, 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: WOOD CASING/ METAL DIAL, PARTS/ METAL & SYNTHETIC THERMOCOUPLE/ GLASS WINDOW/ RUBBER? FEET

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 23.1 cm
Width: 12.0 cm
Height: 11.3 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: General Radio
Country: United States of America
State/Province: Massachusetts
City: Cambridge

Context

Country: United States of America
State/Province: South Carolina
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: THIS EARLY (LATE 19TH-EARLY 20TH C.) GALVANOMETER CONTAINS TWO INTERNAL HORSESHOE MAGNETS & SHOWS SIGNS HAVING BEENPARTLY MFD. BY HAND (REF. 2). THIS EXAMPLE HAS ATTACHED THERMOCOUPLE.
Area Notes: Unknown

Details

Markings: BLACK LETTERING ON DIAL READS "GALVANOMETER/ GENERAL RADIO CO./ CAMBRIDGE. MASS./ NO. 129", WITH HANDWRITTEN "8.2"/ BLACK SCALE MARKINGS/ INCISED LETTERING ON THERMOCOUPLE READS "THERMO-COUPLE/ TYPE 134/ GENERAL RADIO CO./ CAMBRIDGE MASS."
Missing: APPEARS COMPLETE
Finish: WOOD STAINED BROWN & COATED/ GOLD COLOURED DIAL & PARTS/ BLACK SYNTHETIC/ BLACK FEET
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

General Radio Co., Galvanometer, Unknown Date, Artifact no. 1992.2388, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.2388.001/

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