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Ingenium, 1992.2474.001
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OBJECT TYPE
turn/rotary
DATE
1925
ARTIFACT NUMBER
1992.2474.001
MANUFACTURER
Banfield
MODEL
7088
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
porcelain base/ brass shell & parts/ hard rubber switch handle/ metal parts

Dimensions

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

Length
N/A
Width
N/A
Height
5.2 cm
Thickness
N/A
Weight
N/A
Diameter
5.2 cm
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 1925+
Canada
A switch of a type used in Canadian households. 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 domestic
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. Edison was one of the very first to give serious attention to the question of the branch switch. Out of the many possible movements, he chose that of turning, partly through its association with the gas tap. He thought that it would be a good selling point to allow his customers to turn electricity on or off in the same manner as they were accustomed to dealing with gas (Ref. 3).
Area Notes
Unknown

Details

Markings
raised logo on switch handle reads "Banfield"/ incised lettering on shell reads "3A.125V." & "1A.250V."/ raised lettering on underside reads "PAT NOV 4 13 AUG 25 14 JULY 27 15" & "7088"/ raised lettering on indicator reads "ON" & "OFF"
Missing
appears complete
Finish
partially glazed white porcelain/ nickel shell/ black switch handle
Decoration
N/A

CITE THIS OBJECT

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

Banfield, Switch, circa 1925, Artifact no. 1992.2474, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2474.001/

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