Microphone

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OBJECT TYPE
CRYSTAL/TABLE
DATE
1940–1949
ARTIFACT NUMBER
1992.0048.001
MANUFACTURER
Canadian Astatic Ltd.
MODEL
D-104
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
MACHINED BRASS CASE WITH HEAVY WOVEN DIAPHRAGM PROTECTIVE SCREEN, CLOTH WIND SCREEN COVER/ INTERNAL: STRETCHED ALUMINUMDIAPHRAGM & ROCHELL SALT CRYSTAL/ CORD & CONNECTOR

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
N/A
Width
8.0 cm
Height
22.5 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
North America
State/Province
Unknown
Period
LATE 1940'S TO 1980'S
Canada
MADE & USED IN CANADA
Function
TO PICK UP SOUND OR VOICE & CONVERT TO COMPLEX ALTERNATING CURRENT. THE AC WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER.
Technical
TYPE SAMPLE OF SIMPLE & RELATIVELY INEXPENSIVE CRYSTAL MICROPHONE FOR GENERAL USE
Area Notes
Unknown

Details

Markings
MFR'S PLATE: 'CANADIAN ASTATIC LIMITED/ TORONTO CANADA/ MOD MADE IN CANADA/ D 104/ PATENT NOTICE INSIDE'/ ON BASE: 'E2 G'/ DYNATAPE: '2'
Missing
N/A
Finish
BLACK PAINTED BASE/ CHROMED MICROPHONE & SUPPORT POST/ GREY CORD/ WHITE CALL LETTERS
Decoration
WIRE COVER OVER AUDIO INTAKE

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Canadian Astatic Ltd., Microphone, between 1940–1949, Artifact no. 1992.0048, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.0048.001/

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