Microphone

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Ingenium, 1969.0826.001
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OBJECT TYPE: N/A
DATE: 1930
ARTIFACT NUMBER: 1969.0826.001

MANUFACTURER: Jenkins & Adair
MODEL: Unknown
LOCATION: Chicago, Illinois, United States of America

More Information

General Information

Serial #: 386
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: MACHINED BRASS BODY; STRETCHED ALUMINUM DIAPHRAGM; BAKELITE/FIBRE INSULATING WASHER, PROTECTIVE SCREEN & STEEL MACHINE SCREWS.

Dimensions

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

Length: 5.1 cm
Width: 8.9 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: Jenkins Adair
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: North America
State/Province: Unknown
Period: C.1930S-1940
Canada: Unknown
Function: TO PICK UP SOUND, VOICE AND MUSIC AND CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO DRIVE A BROADCAST RADIO TRANSMITTER.
Technical: AN EXAMPLE OF EARLY HIGH QUALITY MICROPHONE DESIGN
Area Notes: Unknown

Details

Markings: 'JENKINS & ADAIR/ CHICAGO, U.S.A.' STAMPED IN FRONT & BACK CASINGS/ '386' STAMPED INTO FRONT & BACKCASINGS/ '33/16' HANDWRITTEN IN PENCIL ON CASING BACK
Missing: N/A
Finish: NATURAL BRASS
Decoration: N/A

CITE THIS OBJECT

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

Jenkins & Adair, Microphone, circa 1930, Artifact no. 1969.0826, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0826.001/

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