RCA 74-B Junior Ribbon Microphone
date: label: date made
content: 1940s
name: label: manufacturer
content: Radio Corporation of America
notes: label: Description
content: <p>This microphone was made by Radio Corporation of America in Camden, New Jersey, late 1940s. It is a bi-directional Junior Velocity Microphone, type 74-B, serial #2083, made of metal designed in chromium and black. The 74-B microphone was an inexpensive, small and light-weight model, recommended for audition studios, announce positions, talk balk and stage work. This microphone was used by WANN (1190 AM) radio station.</p>
label: Description
content: <p>WANN (1190 AM) was a radio station based out of Annapolis, Maryland that primarily served the area's growing African American community. Morris Blum founded it in 1946, and it broadcast to the entire mid-Atlantic region. The station was home to disc jockey Charles "Hoppy" Adams starting in the early 1950s. Adams hosted weekly events at a local African American only beach, Carr's Beach, which were popular with the area's youth population. </p>
label: Description
content: <p>WANN continued to program gospel, rhythm and blues, and public affairs features until 1992 when the station changed to a mainstream country format with the catchphrase “Bay Country 1190.” Around 1998, the station changed ownership and became WBIS, broadcasting a News Talk Information format.</p>
label: Description
content: <p>This microphone features the following patents:</p>
label: Description
content: <p>U.S. Patent 1637397, dated August 2, 1927, by Adrian Francis Sykes, for a telephone and transmitter receiver.</p>
label: Description
content: <p>U.S. Patent 1639713, dated August 23, 1927, by Adrian Francis Sykes, for an apparatus for the reproduction of sound.</p>
label: Description
content: <p>U.S. Patent 1885001, dated October 25, 1932, by Harry F. Olson, assignor to Radio Corporation of America, for an apparatus for converting sound vibrations into electrical variations.</p>
label: Description
content: <p>U.S. Patent 1897732, dated February 14, 1933, by Harry F. Olson and Barton Kreuzer, assignors to Radio Corporation of America, for a system of conversion and transfer of energy.</p>
label: Location
content: Currently not on view
place: label: place made
content: United States: New Jersey, Camden
setName: label: See more items in
content: Culture and the Arts: Entertainment
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content: Popular Entertainment
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content: Music & Musical Instruments
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content: Communications
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2016.0339.02
label: accession number
content: 2016.0339
label: catalog number
content: 2016.0339.02
label: serial number
content: 2083
label: patent number
content: 1637397
label: patent number
content: 1639713
label: patent number
content: 1885001
label: patent number
content: 1897732
objectType: label: Object Name
content: microphone
physicalDescription: label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 8 in x 2 1/2 in x 2 1/2 in; 20.32 cm x 6.35 cm x 6.35 cm