Old Keyboard Key Switches
not a complete list, but i begin to collect and sort out.
Ancient Switches
-
Invac PK-200 keyboard. 1966 Invac Optical switch -
Univac F-1355-00 Keyboard, 1971 Univac Magnetic Separation Switch -
ITW Magnetic Valve Switch 1975 -
IBM 5251 Keyboard 1977, beam spring switch -
Buckling Spring Key Switch 1980s -
Hi-Tek 725 Switch (Space Invader Switch) 1983 -
Cherry MX Switches
1983