Galvanometer

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Ingenium, 1992.2397.001
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OBJECT TYPE
REFLECTING
DATE
Unknown
ARTIFACT NUMBER
1992.2397.001
MANUFACTURER
Greeley, E.S. & Co.
MODEL
Unknown
LOCATION
New York, 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 CASING & STAND/ SYNTHETIC PARTS/ FABRIC? COVERED WIRING/ GLASS

Dimensions

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

Length
21.6 cm
Width
20.0 cm
Height
31.8 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
Greeley
Country
United States of America
State/Province
New York
City
New York

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
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 BRITISH SCIENTISTWILLIAM THOMSON (1824-1907, LATER LORD KELVIN)
Area Notes
Unknown

Details

Markings
INCISED LETTERING ON BACK READS "E.S. GREELEY & CO./ NEW YORK"
Missing
MISSING SHAFT & PARTS
Finish
BRASS COLOURED METAL/ BLACK PAINTED PARTS/ BLACK SYNTHETIC/ GREEN WIRE COVERING/ COLOURLESS TRANSPARENT GLASS
Decoration
N/A

CITE THIS OBJECT

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

Greeley, E.S. & Co., Galvanometer, Unknown Date, Artifact no. 1992.2397, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2397.001/

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