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

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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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