Three switchboard operator's breastplate transmitters and headsets, 1925-1960
1925-1960
Type D1 High Impedance Headset
1930-1950
Electro-Convulsive Therapy headset
circa 1980
Telephone Comms Headset
Ruby ear trumpet headset, directional, for use in busy telegraph offices
Headset for ransmitter/receiver
Headset from a ZEUS surgical system
Jointer's Headset and Transmitter
1945-1955
Audio Headset, '2400 Duo'
2013
Headset for ransmitter/receiver
Headset and microphone, 1942-1946
1942-1946
Headset for A510 wireless station
1965
Headset and tannoy microphone, 1942-1946
1942-1946
Microphone and headset for "S-phone" transceiver, 1942-1945
1942-1945
Telephone operator's headset made by Siemens
1940
Radio headset
1938
n-Vision Datavisor 80 VR Headset
1996
Bakelite headset
nVisor SX111 head mounted display and video control unit
2014
Headset for wireless station A510, c. 1965
1965
Headset
unknown
Headset
unknown