Clock

Clock

Any instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display.

Industry: Chronometry

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Clock

hanging shelf clock

Chronometry; Clock

A wall clock with a shelf-like base that makes it appear as if it is resting on a shelf.

Gothic weight-driven clocks needed to be positioned so that the weights had room to fall. This was usually done by standing the clock on a bracket or hollow pillar. A simplification was to provide a ...

hands

Chronometry; Clock

Used to mark hours, minutes, or seconds on a clock dial. Made of metal or plastic.

hand wheel

Chronometry; Clock

The hand wheel is like a bench wheel except that its bracket is fixed directly to the frame of the lathe or machine it is driving instead of to the bench. The Swiss mandril and some other tools have ...

hand vice

Chronometry; Clock

Hand vices can have pivoted, bowed or sliding jaws, closed with a wing nut and screw; they are used for holding work, or sometimes tooks, in the hand.

hand brace

Chronometry; Clock

Clockmakers' hand braces are used primarily for broaching large clock pivot holes. They are made of steel, with a cranked handle and square socket for accommodating the squared shank of a broach. See ...