Lissen Headphones, 1922-1930
1921-1930
Head Phones for Tape Recorder
1970
Pair of reed-type Brown headphones (experimental)
One pair Magniphone headphones, c. 1923
Pair of ELECTROSTATIC HEADPHONES
Headphones with steel bracket.
Pair of headphones, part of Dr. Richard Sloan's Zero Gradient Aural Thermometer system
1975-1985
Multitone headphones
1931-1970
BBC Headphones
Radio Headphones
1920-1925
Box of Assorted Headphones
1940-1969
Modified Headset for New Scotland Yard
SG Brown Headphones used with the BBC OBA/8 Amplifier
circa 1938
Headphones, Telefunken model TH28, c. 1970
1968-1972
One pair of Telefunken headphones
One pair B.T.H. headphones with BBC marking
circa 1923
Crystal Amplifier for TV and Audio equipment, Headphones, Stetoclips
circa 1999
One pair Brandes Superior headphones
circa 1923
S. G. Brown radio headphones
circa 1935
Headphones, Brandes Superior
Pioneer SE-300 high polymer stereo headphones in box
One pair B.T.H. Headphones
Moving-armature headphones by S.G. Brown, c. 1925
MRI sound System: Headphones and Transducer for use with MRI Scanner
1985
3 pairs of B.T.H. headphones, c. 1923
Beyerdynamic headphones
2012-2017
Sony headphones used by Simon Bates and Jonathan Ruffle
circa 1989
Headphones in case for wireless station A510, c. 1965
1965
Headphones in case for wireless station A510, c. 1965
1965
Bayer Headphones used by Simon Bates and Jonathan Ruffle
circa 1989
Two pairs of ex-government headphones
Ardente "Acoustique" earphone
1931-1940
Pair "S.G.Brown" headphones
Battery, headphone with cable for Price current meter
1913
Headphones, for use with Inspection time and reaction time apparatus
1989