Night Watchman’s Tell-Tale Recording Clock

Brass Night Watchman’s clock by dent dating from the 1920’s – 1940’s. they were used to ensure that a night watchman carried out his rounds at the required intervals. Keys with different symbols would be chained at various points on the round, the night watchman would use these to punch a mark on the paper recording disc showing the time he visited each station.
This one is in excellent condition with its original leather holster but key is missing.
It measures 3.5 inches in diameter.

Code: 30485