Comment by aebtebeten
3 months ago
I like how the 1937 "Model K" adder is literally on a breadboard.
(are those knife switches in the upper right?)
3 months ago
I like how the 1937 "Model K" adder is literally on a breadboard.
(are those knife switches in the upper right?)
U-type flat spring, see fig 2, precursor to transistor
https://www.calling315.com/relay-logic
The user facing switches are 'A' & 'B'