BBC L1 lip microphone, 1937-1960
1937-1960
Experimental carbon block microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Experimental carbon pencil microphone, 1878-1890
1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Granular microphone in glass tube, 1878-1890
1878-1890
Experimental microphone, 1878-1890
1878-1890
Voigt condenser microphone
1920-1940
Hughes microphone detector, 1865-1875
1865-1875
Marconi-Sykes magnetophone
1923
Powdered graphite microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Marconi-Reis transverse-current carbon microphone
1925-1935
Experimental microphone using steel needles and gas carbon, 1878-1890
1878-1890
Granular microphone in bamboo tube, 1878-1890
1878-1890
microphone
microphone
microphone
microphone
microphone
microphone
microphone
Capacitor cardioid microphone
Simple carbon rod microphone
Experimental microphone
A.K.G. microphone
STC 4037D Dynamic Long Stick Microphone
circa 1961
Microphone
1904
One Tucker hot-wire microphone
Microphone on iron base with swivel
Early slack diaphragm condenser microphone, with p
Marconi - BBC. lip microphone with equaliser unit
STC 4017-C moving-coil microphone, s/n 1203
Neumann capacitor microphone type M7 (less amplifier)
BBC condenser microphone
circa 1934
B.T.H. carbon microphone
One microphone for public address system
B.T.H. carbon microphone
BBC radio microphone; type TM3/1
circa 1963
Brush ribbon microphone us patents 1764088
Marconi - BBC. ribbon type B microphone with stirrup
circa 1937
Sennheiser MKH 805 'shot gun' microphone in original case
circa 1966
Type L1 lip microphone
1937
AKG D58C Microphone
Hiller M59 Capacitor Microphone
1953-1955
Beyer M640N Microphone
AKG C26 Microphone
1961
STC 4033-A Microphone
1940-1965
Neumann KM56 Microphone
1955-1970
STC 4037C moving coil microphone
circa 1961