Microphone
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Ingenium,
1978.0855.001
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- OBJECT TYPE
- CRYSTAL/TABLE
- DATE
- 1950
- ARTIFACT NUMBER
- 1978.0855.001
- MANUFACTURER
- Canadian Astatic Ltd.
- MODEL
- 200S
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WHITE METAL CASE AND DETACHABLE BASE. INTERNAL COMPONENTS INCLUDE AN ALUMINUM DIAPHRAGM ATTACHED TO A PIEZOELECTRIC CRYSTAL ASSEMBLY/ SLIDER SWITCH ON FRONT OF STAND/ SYNTHETIC CORD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 12.7 cm
- Height
- 20.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- Astatic
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- 1950-1980
- Canada
-
MANUFACTURED IN CANADA - Function
-
TO PICK UP SOUND, VOICE, AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER OR TO DRIVE PAGING SPEAKERS. - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- CASTING NUMBER 'CZ644' UNDERSIDE OF BASE PLUS A SYMBOLIZED 'M' ABOVE THE NUMBERS/ MFG'S PLATE: 'CANADIAN ASTATIC LIMITED/ TORONTO CANADA/ MOD MADE IN CANADA NO/ 200S/ PATENT INVOICE INSIDE'/ SWITCH - 'ON/ OFF'
- Missing
- MICROPHONE CONNECTOR
- Finish
- GOLD HAMERLIN ENAMEL, BLACK SWITCH PLATE/ NOTE: "GOLD" PER MANUFACTURER'S INFO.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Canadian Astatic Ltd., Microphone, circa 1950, Artifact no. 1978.0855, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0855.001/
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