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Untitled

The first paragraph is partly wrong. Time-delay locks do not have to be electronic. There were, for many decades, mechanical timers attached to the backs of mechanical combination locks that performed the time-delay action. Banjodog ( talk) 04:40, 24 May 2016 (UTC) reply

From Wikipedia, the free encyclopedia

Untitled

The first paragraph is partly wrong. Time-delay locks do not have to be electronic. There were, for many decades, mechanical timers attached to the backs of mechanical combination locks that performed the time-delay action. Banjodog ( talk) 04:40, 24 May 2016 (UTC) reply


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