Invac PK-200 keyboard. 1966

By Xah Lee. Date: . Last updated: .

Invac Corp Series PK-200 keyboard. Year 1966. It uses photoelectric switch.

invac optical switch 2017-11-11 86729-s1000
Invac Corp Series PK-200 keyboard, 2017-11-11 4032×3024
invac optical switch 2017-11-11 95992-s1000
Invac Corp Series PK-200 keyboard, 2017-11-11 4032×3024

TNM_Invac_Corp_Photoelectric_Keyboard_NCnjp.pdf

2020-08-17 Thanks to Daniel Beardsmore for info on this keyboard.

Xah Keyboard Guide