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BIRD CRAPPED BASE!

BIRD CRAPPED BASE!

Western Electric Company
1924
Cardboard pieces of a speaker cone

Cardboard pieces of a speaker cone

Western Electric Company
circa 1924
GR type 416 laboratory amplifier

GR type 416 laboratory amplifier

General Radio Company
circa 1922
large loop radio antenna

large loop radio antenna

Western Electric Company
circa 1923
Radio transmitter, CR 1159 Wave Changer, 600J

Radio transmitter, CR 1159 Wave Changer, 600J

Cruft Laboratory, Harvard University
1915-1930
RCA early television

RCA early television

Radio Corporation of America
circa 1939
receiver component to external horn loudspeaker

receiver component to external horn loudspeaker

Western Electric Company
circa 1920
US Army Signal Corps vacuum tube dectector set, type SCR-55

US Army Signal Corps vacuum tube dectector set, type SCR-55

Western Electric Company
circa 1918
WE Loudspeaking Telephone type TA-4151-A

WE Loudspeaking Telephone type TA-4151-A

Electrical Research Products Inc.
circa 1929
WE model 10-D Loudspeaking Telephone Outfit horn loudspeaker

WE model 10-D Loudspeaking Telephone Outfit horn loudspeaker

Western Electric Company
1922-1923
WE model 26A horn with 594A field coil driver loudspeaker

WE model 26A horn with 594A field coil driver loudspeaker

Western Electric Company
circa 1936
WE model 540-AW hornless paper cone loudspeaker

WE model 540-AW hornless paper cone loudspeaker

Western Electric Company
1924
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The Collection of Historical Scientific Instruments
Science Center, Room 371 • 1 Oxford Street
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p. 617-495-2779 • f. 617-496-5794
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