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1974.0198.001
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- OBJECT TYPE
- PNP/SOLID STATE
- DATE
- 1973
- ARTIFACT NUMBER
- 1974.0198.001
- MANUFACTURER
- Bell Northern Research
- MODEL
- 23
- LOCATION
- Ottawa, Ontario, Canada
More Information
General Information
- Serial #
- 41057
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- CERAMIC PLATE/ GOLD ARRAYS/ OTHER SEMI-CONDUCTOR MATERIALS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 7.8 cm
- Width
- 5.2 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- BNR
- Country
- Canada
- State/Province
- Ontario
- City
- Ottawa
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- CIRCA 1973
- Canada
-
CANADIAN PROTOTYPE TELEPHONE SOLID STATE SWITCH - Function
-
EXPERIMENTAL SWITCH USED TO CONTROL TELEPHONE CIRCUITS - Technical
-
PROTOTYPE SOLID STATE TELEPHONE SWITCH - Area Notes
-
Unknown
Details
- Markings
- IN PENCIL ON PLATE BACK:'#23'/ IN BLACK MARKER ON PLATE BACK:'41057'
- Missing
- 2 CROSSPOINT ARRAYS
- Finish
- WHITE CERAMIC PLATE PAINTED BLACK, GREY, BROWN & CREAM COLORED/ SILVER SEMI-CONDUCTOR MATERIAL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bell Northern Research, Switch, circa 1973, Artifact no. 1974.0198, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0198.001/
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