Call device
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1978.0346.001
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- OBJECT TYPE
- DOUBLE
- DATE
- 1920–1945
- ARTIFACT NUMBER
- 1978.0346.001
- MANUFACTURER
- MUIRHEAD & CO. LTD.
- MODEL
- T5
- LOCATION
- Westminster, England
More Information
General Information
- Serial #
- 212
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD BASE & COVER/ BRASS/ STEEL/ RUBBER/ PLASTIC/ WIRE, ebonite
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 23.0 cm
- Width
- 15.1 cm
- Height
- 20.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- MUIRHEAD
- Country
- England
- State/Province
- Unknown
- City
- Westminster
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
A CALLING DEVICE OPERATED BY OPENING OR CLOSING AN AUXILIARY CIRCUIT UNDER PREDETERMINED ELECTRICAL CONDITIONS. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- FRONT MANUFACTURER'S PLATE: 'CALL DEVICE/ PATENT NO. 286829/ TYPE T5 NO. 212/ MUIRHEAD & CO. LTD.'/ ON CONDENSER: 'MUIRHEAD/ CONDENSER/ TYPE 43-A11C/ CAPACITY 0.5 UF/ TESTED AT 2000 V-A.C./ MAX. WORKING VOLTAGE/ MUIRHEAD & CO. LTD./ ELMERS END./ KENT.-ENGLAND.
- Missing
- N/A
- Finish
- VARNISHED BASE/ MAJORITY OF COMPONENTS PAINTED BLACK/ CONDENSER CASING PAINTED BROWN.
- Decoration
- MORTICE & TENON COVER JOINERY.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MUIRHEAD & CO. LTD., Call device, between 1920–1945, Artifact no. 1978.0346, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0346.001/
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