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General Industries, Model Unknown
This is a General Industries carbon microphone with an unknown polar response that was manufactured some time in the 1920s or 1930s.
Illustration, women securing signatures for a petition in New York City, Frank Leslie’s Illustrated Weekly, 1894 May 3
Cover illustration showing women securing petitions for women's suffrage
Photograph, Heman Perry, ca. 1920s
Photograph of Heman Perry, founder of Standard Life Insurance Company and Citizens Trust Bank
Federal Telephone & Telegraph 261W
This is a Federal Telephone & Telegraph carbon microphone manufactured some time between 1920 and the late 1930s.
Ellis Electrical Laboratory 29N
This is an Ellis Electrical Laboratory carbon microphone manufactured some time in the 1920s or 1930s.
Ellis Electrical Laboratory 30N
This is an Ellis Electrical Laboratory carbon microphone manufactured circa 1931.
Electro-Voice, Model Unknown
This is an Electro-Voice carbon microphone manufactured some time in the 1920s or 1930s.
Electro-Voice 731
This is an Electro-Voice dynamic/moving coil microphone with a cardoid polar response and an unknown date of manufacture.
Electro-Voice 726
This is an Electro-Voice dynamic/moving coil microphone with a cardoid polar response and an unknown date of manufacture.
Electro-Voice 674
This is an Electro-Voice dynamic/moving coil microphone with a cardoid polar response and an unknown date of manufacture.