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1992.2506.001
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- OBJECT TYPE
- tumbler/surface/quick make & break
- DATE
- 1920
- ARTIFACT NUMBER
- 1992.2506.001
- MANUFACTURER
- Crabtree
- MODEL
- Unknown
- LOCATION
- England
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 & 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
- 4.1 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 5.7 cm
- Volume
- N/A
Lexicon
- Group
- Energy-electric
- Category
- User site
- Sub-Category
- N/A
Manufacturer
- AKA
- Crabtree
- Country
- England
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- circa 1920+
- Canada
-
A British 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 Coming into regular use around 1890, it rapidly superceded all other movements in Britain & ultimately went abroad to replace the established turn & two-button arrangements in America & Europe.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. The J.A Crabtree Co. was founded in 1919 & within ten years became very successful, specializing in tumbler switches (Ref. 2). - Area Notes
-
Unknown
Details
- Markings
- raised lettering on underside reads "BRITISH MAKE/ CRABTREE/ RD NO 667073&702174/ C1030/ VITREOUS/ 7211/3"
- Missing
- appears complete
- Finish
- glazed black base with brown underside/ gold coloured shell & switch handle
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Crabtree, Switch, circa 1920, Artifact no. 1992.2506, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.2506.001/
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