Microphone

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Ingenium, 1969.0835.001
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OBJECT TYPE: CONDENSER
DATE: 1928
ARTIFACT NUMBER: 1969.0835.001

MANUFACTURER: Northern Electric Co. Ltd. of Canada
MODEL: 394W
LOCATION: Montréal, Québec, Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: MICROPHONE - BRASS CASE, DURALUMINUM DIAPHRAGM, BRASS BACKING PLATE, ELECTRICAL INSULATING SPACERS/ AMPLIFIER - BRASS CASE WITH REMOVEABLE COVER FOR MAINTENANCE, VACUUM TUBES, RESISTORS, CAPACITORS, TRANSFORMER AND MISC. ELECTRICAL COMPONENTS AND WIRING

Dimensions

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

Length: 10.8 cm
Width: 43.2 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Northern Electric
Country: Canada
State/Province: Québec
City: Montréal

Context

Country: North America
State/Province: Unknown
Period: 1928-1935
Canada: SEE COMMENTS
Function: USED TO PICK UP SOUND, SUCH AS VOICE OR MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT, WHICH WOULD BE AMPLIFIED AND BROADCAST BY A RADIO TRANSMITTER. THE UNIT MIGHT ALSO BE USED WITH A POWERFUL AUDIO FREQUENCY AMPLIFIER AND SPEAKERS AS A PUBLIC ADDRESS SYSTEM
Technical: AN EXAMPLE OF EARLY HIGH QUALITY MICROPHONE DESIGN
Area Notes: Unknown

Details

Markings: MFG. PLATE ON AMPLIFIER: '47-A AMPLIFIER/ Northern Electric Company/ LIMITED'
Missing: N/A
Finish: BLACK GLOSS ENAMEL
Decoration: N/A

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

Northern Electric Co. Ltd. of Canada, Microphone, circa 1928, Artifact no. 1969.0835, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0835.001/

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