UNSIGNED

Elgin stamped the movement serial number, or at least the later digits of the number on all the major pieces. Here are the secondary ...

Наручные часы СССР были особенными. Их дарили только на знаменательные даты, ими восхищались все зарубежные гости. Часы — это была

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A clock is a mechanical or electrical device other than a watch for displaying time. A clock is a machine in which a device that performs regular movements in equal intervals of time is linked to a counting mechanism that records the number of movements. All clocks, of whatever form—whether 12-hour clocks or 24-hour clocks—are made on this principle.

English regulator movement c 1840

Some time ago I buy a used (indeed abused) Sherline manual lathe planning convert it to cnc (a in-course project). The headstock spindle of this lathe had a worn feeling so new bearings were needed. Replacing bearings was easier than expected (no strong hits were required), and here is what work for me. Things required…

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Pilot's Watch Chronograph TOP GUN

This clock is an original design that uses an epicyclic (planetary) gear train. The gears are aircraft quality birch plywood from Finland and the frame is made of jatoba (sometimes called Brazilian cherry).

Equation of time kidney in clock by George Graham

So we have a bunch of parts on the bench, but how can we figure out what they are all for? Join me for a discovery of the logic behind how a watch is built! ...

Relógio Astronômico de Dondi (Jacopo di Dondi (1318-1388)

60x60 cm wooden gear clock