Socket

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Ingenium, 1992.2577.001
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OBJECT TYPE: screw/switched/pull-chain
DATE: 1920
ARTIFACT NUMBER: 1992.2577.001

MANUFACTURER: Banfield
MODEL: Levolier
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: brass shell & chain/ copper/ aluminum/ porcelain/ cardboard

Dimensions

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

Length: 5.8 cm
Width: 3.9 cm
Height: 6.8 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: Banfield
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: circa 1920+
Canada: An example of a socket 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 support & connect to electricity a lamp or other electrical device.
Technical: An example of a pull-chain socket of circa 1920. 1890 to 1899 was a period during which the details of wiring devices which had appeared in the previous decade were improved. Keys were added to lamp sockets & receptacles. Where the lamp switch was controlled by the wall or base switch, the socket could remain keyless; otherwise the light switch had to be incorporated within the socket utilizing as its switching mechanism the key, pull-chain or push-button. Besides the Edison screw socket & receptacle, other methods of supporting lamps appeared including the Thomson-Houston, the Westinghouse & the bayonet types (Ref. 4). A simple arrangement which did not require the service of a mechanic to change a lamp was a necessity for commercial production of electric lamp sockets. In 1880 Edison introduced the screw cap which still bears his name (Ref. 3).
Area Notes: Unknown

Details

Markings: incised lettering on shell reads "Banfield [logo]" & "Levolier/ REGISTERED/ 660W 250V/ PAT'D NOV 1920"
Missing: appears complete
Finish: gold coloured shell & chain/ metallic parts
Decoration: N/A

CITE THIS OBJECT

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

Banfield, Socket, circa 1920, Artifact no. 1992.2577, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2577.001/

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