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In essence, the maintaining power consists of a disc between the driving drum of the clock and the great wheel. The drum drives the disc, and a spring attached to the disc drives the great wheel. The spring is selected to be slightly weaker than the driving drum, so in normal operation it is fully compressed. When the pressure from the drum is ...
Anchor escapement. The anchor and escape wheel of a late 19th-century clock. The plate that normally holds the front end of the pinions has been removed for clarity. The pendulum is behind the back plate. In horology, the anchor escapement is a type of escapement used in pendulum clocks. The escapement is a mechanism in a mechanical clock that ...
Clockmaker. A clockmaker is an artisan who makes and/or repairs clocks. Since almost all clocks are now factory -made, most modern clockmakers only repair clocks. Modern clockmakers may be employed by jewellers, antique shops, and places devoted strictly to repairing clocks and watches. Clockmakers must be able to read blueprints and ...
Fusee (horology) A fusee (from the French fusée, wire wound around a spindle) is a cone -shaped pulley with a helical groove around it, wound with a cord or chain attached to the mainspring barrel of antique mechanical watches and clocks. It was used from the 15th century to the early 20th century to improve timekeeping by equalizing the ...
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 ...
Clockwork. Clockwork refers to the inner workings of either mechanical devices called clocks and watches (where it is also called the movement) or other mechanisms that work similarly, using a series of gears driven by a spring or weight. [1][2][3] A clockwork mechanism is often powered by a clockwork motor [4] consisting of a mainspring, a ...
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