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Watchclocks have been used for over a century. Guards or watchmen on patrol had to be at a specific spot at a certain time to prove they were not asleep. They h
by dghughes 6y ago
Watchclocks have been used for over a century. Guards or watchmen on patrol had to be at a specific spot at a certain time to prove they were not asleep. They had to prove via the clock that they were at that location.
https://en.wikipedia.org/wiki/Watchclock https://en.wikipedia.org/wiki/Watchclock
- HeyLaughingBoy 6y agoLOL. Just noticed we posted the same link ;-)
- dghughes 6y agoI wrote it at noon and never clicked reply until I was off work. I see another link too even earlier.