Stuff Learnt Wiring A Master Clock 36 And Relay Set GMT34.
17:28
Even Older Strowger Switches 1940's UAX12 Exchange
21:46
The Weird Story Of Electromechanical Memory - 40 bits of the stuff!
31:37
TOTALISATOR Gambling Machines Were Very COMPLEX And Electromechanical
11:33
The Electromechanical Pendulum of the 36 Master Clock
12:08
Self Winding Master Clocks in Central Offices
17:16
Electric master clocks
14:37
Vintage Flip Dot Displays Are Incredible!
34:14