Chronometry

Chronometry

The science of the measurement of time.

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Chronometry > Clock

buffing

Chronometry; Clock

To grind or polish various surfaces by machine or hand using a buff charged with abrasive or polishing compound, in clock work normally metal surfaces, but latterly including ...

buff treadle

Chronometry; Clock

A stand on which is mounted a buffing machine, and the machine is operated by a wheel that is attached to a foot pedal. This treadle machine is operated by a pumping action of the ...

buff

Chronometry; Clock

A tool for grinding or polishing, mounted on a machine as a cone, disc or other suitable shaped piece of felt or leather, or of wood covered with felt or leather, or as a mop made ...

bronze looking, glass shelf clock

Chronometry; Clock

The case consisted of a top slat on which was a stenciled design, applied with a bronze pigment, usually consisting of a bowl of fruit and cornucopia or a patriotic eagle and on ...

brocot suspension

Chronometry; Clock

A device fitted to a clock's pendulum suspension cock to allow rate adjustment from the dial. The pendulum spring is embraced by sliding brass chops or jaws threaded to receive a ...

brocot escapement

Chronometry; Clock

A form of pin-pallet escapement invented by Louis-Gabriel Brocot, which, when fitted visibly in front of the dial of 19th-century French or American clocks, forms an interesting ...

broaches

Chronometry; Clock

A long hardened steel tool, mostly tapered but also available in parallel form, usually with five cutting edges and used for enlarging pivot holes to size after drilling. ...