Marconi-Reisz transverse-current carbon microphone
1925-1935
Experimental carbon pencil microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
BBC L1 lip microphone, 1937-1960
1937-1960
Experimental microphone, 1878-1890
1878-1890
Experimental carbon block 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
Hughes microphone detector, 1865-1875
1865-1875
Marconi-Sykes magnetophone
1923
Granular microphone in bamboo tube, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Experimental microphone using steel needles and gas carbon, 1878-1890
1878-1890
Voigt condenser microphone
1920-1940
Experimental microphones, 1878-1890
1878-1890
Capacitor cardioid microphone
Sennheiser MKH 805 'shot gun' microphone in original case
circa 1966
Table Microphone
Hiller M59 Capacitor Microphone
1953-1955
Beyer M640N Microphone
Neumann KM56 Microphone
1955-1970
STC 4037C moving coil microphone
circa 1961
RCA BK-6B Miniature Dynamic Microphone
1957
Pressure Gradient Double (PGD) ribbon microphone No. 8
1950-60
Throat Microphone Mark II
1939-1945
Microphone
1904
One Tucker hot-wire microphone
Microphone on iron base with swivel
Alston "Birmingham" Moving Coil Microphone in Metal Stand
1929-1935
Sennheiser MKH 405 Microphone
1962
STC 4014-A Lip Microphone (BBC Type L)
1937-1947
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)
Telsen Ace spring-suspended microphone with built in transformer
1930-1939
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
Simple carbon rod microphone
BBC PGS/1 Microphone
STC 4033A Microphone
Experimental microphone
A.K.G. microphone
Microphone
Sennheiser MD421N Dynamic Microphone
1960-1980
Pressure Gradient Double (PGD) ribbon microphone No. 5 (also possibly J2008)
1950-60