Microphone

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Ingenium, 1988.0325.001
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OBJECT TYPE: CARBON/DOUBLE BUTTON
DATE: 1927–1930
ARTIFACT NUMBER: 1988.0325.001

MANUFACTURER: Unknown
MODEL: 2009
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CAST NON-FERROUS METAL CASE/ ALUMINUM DIAPHRAGM/ CARBON BUTTON CASES/ INSULATED SCREW CONNECTIONS/ CAST IN MOUNTING LUGS

Dimensions

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

Length: 22.0 cm
Width: 18.0 cm
Height: 2.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Sound
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: C. EARLY 1930'S
Canada: PROBABLY USED IN CANADA BY DONOR'S FATHER
Function: TO PICK UP SOUND AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE AC WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER. MAY ALSO BE USED TO DRIVE SPEAKERS WHEN AMPLIFIED BY A SOUND SYSTEM
Technical: TYPICAL EXAMPLE OF A LOW COST MICROPHONE OF THE PERIOD.
Area Notes: Unknown

Details

Markings: ENGRAVED ON DISC TOP: '2009' 'X'
Missing: 3 OR 4 SPRINGS UNSPRUNG
Finish: OUTSIDE RING CHROMED/ MICROPHONE POLISHED NATURAL METAL
Decoration: MOULDED IN CASTING: RAISED RINGS FRONT & BACK

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

Unknown Manufacturer, Microphone, circa 1927–1930, Artifact no. 1988.0325, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1988.0325.001/

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