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Ingenium, 1992.2472.001
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OBJECT TYPE
tumbler/single pole/surface
DATE
1914
ARTIFACT NUMBER
1992.2472.001
MANUFACTURER
DUNCAN ELECTRIC MFG. CO.
MODEL
Unknown
LOCATION
Lafayette, Indiana, 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
metal (brass) shell & switch handle/ porcelain base/ 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
6.7 cm
Thickness
N/A
Weight
N/A
Diameter
6.1 cm
Volume
N/A

Lexicon

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

Manufacturer

AKA
DUNCAN
Country
United States of America
State/Province
Indiana
City
Lafayette

Context

Country
North America
State/Province
Unknown
Period
circa 1914+
Canada
An American made 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 lighting.
Technical
The tumbler switch was one of the most characteristic British contributions to wiring installation practice. Coming into regular use around 1890, it rapidly superceded all other movements in Britain & ultimately went abroad to replace the established turn & two-button arrangements in America & Europe. The Kelvin switch of 1881 showed a radical departure from the influence of the gas tap. In Canada, the tumbler switch became popular only after 1930 (Ref. 1&2). Beginning around 1905, the design of tumbler switches became simpler & thinner. In Canada, the flush type became popular faster than in England because of differences in methods of home construction. Until the late 1920s, the type of switch most commonly offered in Canadian catalogues were the turn (snap) & push-button types. The Duncan Electric Mfg. Co. was founded in 1901 (Ref. 1).
Area Notes
Unknown

Details

Markings
incised lettering on shell reads "D.E. CO./ 3A.250V. 5A.125V."
Missing
appears complete
Finish
brass coloured metal/ partially glazed white porcelain
Decoration
N/A

CITE THIS OBJECT

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

DUNCAN ELECTRIC MFG. CO., Switch, circa 1914, Artifact no. 1992.2472, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2472.001/

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