Microphone
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1979.0738.001
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- OBJECT TYPE
- CARBON/SINGLE BUTTON/TABLE
- DATE
- 1930
- ARTIFACT NUMBER
- 1979.0738.001
- MANUFACTURER
- American Microphone Co. Inc.
- MODEL
- S.J.
- LOCATION
- Los Angeles, California, United States of America
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, PROBABLY WHITE METAL, CASE & MOUNTING RING/ INTERNAL COMPONENTS INCLUDE A STRETCHED ALUMINUM DIAPHRAGM. CARBON GRANULES CONTAINED IN THE SINGLE BUTTON AND MISC. HARDWARE. THE MICROPHONE IS SUPPORTED IN THE MOUNTING RINGBY STEEL STRINGS.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 12.6 cm
- Height
- 19.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Sound
- Sub-Category
- N/A
Manufacturer
- AKA
- American Microphone
- Country
- United States of America
- State/Province
- California
- City
- Los Angeles
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1930-1940
- Canada
-
USED 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 SPEAKERS. - Technical
-
AN EXAMPLE OF LOW COST MICROPHONE TECHNOLOGY OF THE LATE 1920'S AND EARLY 1930'S. THE TECHNOLOGY WAS ACCEPTABLE FOR RADIO AND SOUND SYSTEMS VOICE COMMUNICATION. - Area Notes
-
Unknown
Details
- Markings
- STAMPED ON BACK OF MIKE: 'AMERICAN/ MICROPHONE/ LOS ANGELES, U.S.A./ MADE IN U.S.A./ MODEL/ SJ'/ DECAL ON BASE: 'AMERICAN MICROPHONE CO. INC. LOS ANGELES USA'
- Missing
- N/A
- Finish
- CHROME PLATED. MICROPHONE CORD IS NATURAL BLACK RUBBER. THE PLUG IS NATURAL BRASS WITH A BLACK BAKELITE COVER.
- Decoration
- DECAL ON BASE - RED & GOLD WITH BLACK PRINTING. BIRD DRAWING IN CENTRE.
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
American Microphone Co. Inc., Microphone, circa 1930, Artifact no. 1979.0738, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1979.0738.001/
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