watchman's clock
watchman's clock · watchman's clocks
A watchman's detector in which the apparatus for recording the times of visiting…A watchman's detector in which the apparatus for recording the times of visiting several stations is contained within a single clock.
Meaning
1 sensesA watchman's detector in which the apparatus for recording the times of visiting several stations is contained within a single clock.
Forms
plural: watchman's clocks| Singular | watchman's clock |
|---|---|
| Plural | watchman's clocks |
regular