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
unknown
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 for A510 wireless station
1965
Headset
unknown
Headset and microphone, 1942-1946
1942-1946
Headset and tannoy microphone, 1942-1946
1942-1946
Microphone and headset for "S-phone" transceiver, 1942-1945
1942-1945
nVisor SX111 head mounted display and video control unit
2014
Bakelite headset
Telephone operator's headset made by Siemens
1940
Radio headset
1938
Headset for wireless station A510, c. 1965
1965
n-Vision Datavisor 80 VR Headset
1996