Galvanometer

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Ingenium, 1992.2381.001
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OBJECT TYPE: REFLECTING
DATE: Unknown
ARTIFACT NUMBER: 1992.2381.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD BASE/ METAL (BRASS?) STAND & WORKING PARTS/ GLASS DIAL COVER/ PAPER SCALE

Dimensions

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

Length: 18.8 cm
Width: 17.0 cm
Height: 37.0 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: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: United States of America
State/Province: Maine
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: REFLECTING OR MIRROR GALVANOMETERS USE BEAM OF LIGHT REFLECTED OFF MIRROR & ON TO SCALE TO PRODUCE READINGS, IN ORDER TO MINIMIZE EFFECTS OF EARTH'S MAGNETIC FIELD. THIS TYPE OF SENSITIVE GALVANOMETER WAS FIRST DEVELOPED BY BRITISHSCIENTIST WILLIAM THOMSON (1824-1907, LATER LORD KELVIN) [REFS. 2-4]
Area Notes: Unknown

Details

Markings: BLACK SCALE MARKINGS
Missing: PART OF GLASS DIAL COVER
Finish: WOOD STAINED BROWN & VARNISHED/ GOLD COLOURED & BLACK PAINTED METAL/ COLOURLESS TRANSPARENT GLASS/ WHITE SCALE
Decoration: N/A

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Unknown Manufacturer, Galvanometer, Unknown Date, Artifact no. 1992.2381, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2381.001/

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