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2. File:Clock gear.svg - Wikipedia

   en.wikipedia.org/wiki/File:Clock_gear.svg

   Date/Time Thumbnail Dimensions User Comment; current: 04:34, 2 December 2019: 534 × 691 (18 KB): Eiim: Fixed errors with newer Inkscape version: 19:37, 2 December 2007

3. Verge escapement - Wikipedia

   en.wikipedia.org/wiki/Verge_escapement

   The foliot was a horizontal bar with weights near its ends affixed to a vertical bar called the verge which was suspended free to rotate. The verge escapement caused the foliot to oscillate back and forth about its vertical axis. [12] The rate of the clock could be adjusted by moving the weights in or out on the foliot.

4. Eli Terry - Wikipedia

   en.wikipedia.org/wiki/Eli_Terry

   A wooden gear shelf clock movement made by Eli Terry, 1825. According to Diana Muir in Reflections in Bullough's Pond, within a few years, several hundred men worked in two dozen factories in the Naugatuck Valley and Bristol produced virtually identical Terry-style thirty-hour wooden clocks. Salesmen innovated such now-familiar marketing ...

5. Grasshopper escapement - Wikipedia

   en.wikipedia.org/wiki/Grasshopper_escapement

   Grasshopper escapement, 1820. The grasshopper escapement is a low-friction escapement for pendulum clocks invented by British clockmaker John Harrison around 1722. An escapement, part of every mechanical clock, is the mechanism that gives the clock's pendulum periodic pushes to keep it swinging, and each swing releases the clock's gears to move forward by a fixed amount, thus moving the hands ...

6. Spinner's weasel - Wikipedia

   en.wikipedia.org/wiki/Spinner's_weasel

   Spinner's weasel or clock reel is a mechanical yarn-measuring device consisting of a spoked wheel with gears attached to a pointer on a marked face (which resembles a clock) and an internal mechanism that makes a "pop" sound after the desired length of yarn is measured (usually a skein). The pointer allows the spinner to see how close they are ...

7. Pin-pallet escapement - Wikipedia

   en.wikipedia.org/wiki/Pin-pallet_escapement

   An escapement is the mechanism in a mechanical timepiece that gives the balance wheel pushes to keep it moving back and forth, and releases the timepiece's gears to advance a fixed amount with each swing of the wheel, thus moving the hands forward at a steady rate.