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Ingenium, 1992.2488.001
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OBJECT TYPE
canopy/turn/rotary
DATE
1950–1960
ARTIFACT NUMBER
1992.2488.001
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
synthetic casing & wire covering/ metal plate, wiring & parts

Dimensions

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

Length
14.3 cm
Width
1.9 cm
Height
2.9 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Energy-electric
Category
User site
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
North America
State/Province
Unknown
Period
mid 20th century
Canada
A switch of a type used in Canada. Part of a large & varied collection of over 7500 electrical items acquired & documented by Ontario Hydro in the 1960s. The collection was thought to be the largest & most comprehensive of its kind in Canada & was donated to the National Museum of Science & Technology in 1992.
Function
An electrical wiring device used to make or break a connection in an electrical circuit, specifically in a small motor.
Technical
An example of a rotary switch, turned in one direction to give on-off-on-off alternately. From 1880 to 1890 the great majority of switches were of the turn type. Out of the many possible movements for his switches, Edison chose that of turning, partly through its association with the gas tap (Ref. 3).
Area Notes
Unknown

Details

Markings
raised logo on underside reads "F" with raised "51"/ incised lettering on metal reads "1A./ 250V." & "3A./ 125V."
Missing
appears complete
Finish
black synthetic/ metallic parts
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Switch, between 1950–1960, Artifact no. 1992.2488, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2488.001/

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