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Is this Otis Elevator Relay Controlled | Elevator Video
Otis relay-controlled elevator
Closeup and relay-sequence of an Old OTIS elevator-controller
Up-close of a 1940s Otis elevator controller. Relays only no narration
1962 relay logic Otis elevator
Listen to the relay controller - 1968 Otis Botton Drive Elevator
Elevator call logic, the old OTIS system
Old Otis Elevator Machine Room, Relay Board
Clip from Understanding Skyscrapers - some old Otis lifts with relays/selectors
Otis 1970's Highspeed, Gearless, relay controlled Elevators (A semi showcase + cheeky manual call)
Pressing 'UP' to go DOWN? What's the logic in that?
(1/4) PROBABLY THE BEST 'elevator relay logic vid' in the world! - Part 1 of 4
