Experimental carbon block microphone, 1878-1890
1878-1890
Powdered graphite microphone, 1878-1890
1878-1890
Experimental carbon pencil microphone, 1878-1890
1878-1890
Experimental 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
BBC L1 lip microphone, 1937-1960
1937-1960
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
Granular microphone in bamboo tube, 1878-1890
1878-1890
Marconi-Sykes magnetophone
1923
Marconi-Reis transverse-current carbon microphone
1925-1935
Hughes microphone detector, 1865-1875
1865-1875
Voigt condenser microphone
1920-1940
Microphone
1904
STC 4038 Microphone
circa 1950
STC 4038 Microphone
circa 1950
STC 4038 Microphone
circa 1950
AKG C60 Microphone with N60A Power Supply
1961
STC 4038 Microphone
circa 1950
Experimental microphone
Experimental microphones, 1878-1890
1878-1890
Experimental wood-charcoal microphones, 1878-1890
1878-1890
Early slack diaphragm condenser microphone, with p
BBC condenser microphone
circa 1934
B.T.H. carbon microphone
One microphone for public address system
Simple carbon rod microphone
Microphone on iron base with swivel
STC 4017-C moving-coil microphone, s/n 1203
B.T.H. carbon microphone
Marconi - BBC. lip microphone with equaliser unit
A.K.G. microphone
Neumann capacitor microphone type M7 (less amplifier)
BBC radio microphone; type TM3/1
circa 1963
Telsen Ace spring-suspended microphone with built in transformer
1930-1939
Capacitor cardioid microphone
Microphone, with connection lead
1988-1994
Amplivox Clip-On Microphone
1930-1950
Lustraphone Lustrette Dynamic Microphone
1950-1960
One Tucker hot-wire microphone
AKG C28 Microphone with N12 Power Supply
1961
Experimental microphones using steel needles and gas carbon, 1878-1890
1878-1890
Marconi - BBC. ribbon type B microphone with stirrup
circa 1937
Table Microphone
Sennheiser MKH 405 Microphone
1962
AKG C28 Microphone with N28A Power Supply
circa 1965
BBC PGS/1 Microphone
STC 4014-A Lip Microphone (BBC Type L)
1937-1947