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Ingenium, 1992.2450.001
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OBJECT TYPE: push button/burglar alarm/door
DATE: 1914
ARTIFACT NUMBER: 1992.2450.001

MANUFACTURER: EDWARDS
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: Unknown

Dimensions

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

Length: 5.2 cm
Width: 1.6 cm
Height: 2.8 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: EDWARDS
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: circa 1914+
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 burglar alarm.
Technical: An example of a door switch component of a burglar alarm. It appeared in CGE catalogues of 1915-1916 & 1949, Northern Electric catalogue of 1921 (Refs. 3-5).
Area Notes: Unknown

Details

Markings: incised logo on one side reads "1872/ EDWARDS"
Missing: appears complete
Finish: brass coloured
Decoration: N/A

CITE THIS OBJECT

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

EDWARDS, Switch, circa 1914, Artifact no. 1992.2450, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2450.001/

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