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Flohr-OTIS relay controlled elevator (1973) machine room-part 1
Flohr-OTIS relay controlled elevator (1973) machine room-part 3
Flohr-OTIS relay controlled elevator (1973) machine room-part 12
Flohr-OTIS relay controlled elevator (1973) machine room-part 5
Flohr-OTIS relay controlled elevator (1973) machine room-part 11
Flohr-OTIS relay controlled elevator (1973) machine room-part 9
Flohr-OTIS relay controlled elevator (1973) machine room-part 6
Flohr-OTIS relay controlled elevator (1973) machine room-part 2
Flohr-OTIS relay controlled elevator (1973) machine room-part 7
Flohr-OTIS relay controlled elevator (1973) machine room-part 4
Flohr-OTIS relay controlled elevator (1973) machine room-part 8
Closeup and relay-sequence of an Old OTIS elevator-controller
