Microphone

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OBJECT TYPE
N/A
DATE
1930
ARTIFACT NUMBER
1970.0101.001
MANUFACTURER
Radio Receptor Co. Inc.
MODEL
7B
LOCATION
New York, New York, United States of America

More Information


General Information

Serial #
1775
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
CAST METAL NON-FERROUS CASE; BRASS TUBING & STAMPED BRASS BASE COVER WITH CAST IRON BASE/ CARBON MICROPHONE CARTRIDGE MOUNTED IN CASE

Dimensions

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

Length
N/A
Width
13.9 cm
Height
26.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Sound
Sub-Category
N/A

Manufacturer

AKA
Radio Receptor
Country
United States of America
State/Province
New York
City
New York

Context

Country
North America
State/Province
Unknown
Period
C. 1930-1940
Canada
Unknown
Function
TO PICK UP SOUND, VOICE & CONVERT TO COMPLEX ALTERNATING CURRENT. THE ALTERNATING CURRENT WOULD BE AMPLIFIED TO MODULATE A RADIO TRANSMITTER.
Technical
ORIGINALLY DESIGNED FOR BROADCAST STUDIOS, BUT MANY UNITS SUCH AS THIS MICROPHONE WERE USED ON POINT-TO-POINT RADIO SYSTEMS.
Area Notes
Unknown

Details

Markings
'RADIO RECEPTOR CO. INC./ NEW YORK U.S.A./ MODEL 7B SER. 1775/ PAT. PEND.' APPEARS ON MFR'S PLATE ON MICROPHONEFRONT
Missing
CORD & CONNECTOR MISSING
Finish
BLACK WRINKLE TEXTURED ENAMEL FINISH ON MICROPHONE COVER/ BASE COVER & TUBING NATURAL BRASS
Decoration
N/A

CITE THIS OBJECT

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

Radio Receptor Co. Inc., Microphone, circa 1930, Artifact no. 1970.0101, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.0101.001/

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