Watchman's clock


  • Webster's Revised Unabridged Dictionary
    • Watchman's clock a watchman's detector in which the apparatus for recording the times of visiting several stations is contained within a single clock.
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In literature:

The patrol should be recorded on a watchman's clock, not merely to show that he was not unfaithful, but also to prove that he was faithful.
"The American Architect and Building News, Vol. 27, No. 733, January 11, 1890" by Various
After ten o'clock the law is a watchman and a dog-ketcher; we're the whole law till breakfast's a'most ready.
"The Knickerbocker, or New-York Monthly Magazine, February 1844" by Various
These, like the watchman's time clock, proved that the men had walked their posts.
"Rick and Ruddy" by Howard R. Garis