Relays in the front of A lift’s control cabinet, 24 Sep 2011. These served various functions as part of the ‘relay logic’; system, an electromechanical precursor to electronic systems. This technology was in use for decades before microprocessors made it obsolete.
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See full size image Caption: Relays in A lift's control cabinet, 24 Sep 2011 Description: Relays in the front of A lift's control cabinet, 24 Sep 2011. These served various functions as part of the 'relay logic'; system, an electromechanical precursor to electronic systems. This technology was in use for decades before microprocessors made it obsolete. Alt text: Relays in A lift's control cabinet, 24 Sep 2011 Image credit: Team Urbex - ATF Photo subject date: 24/09/2011 |