Chronometry

Chronometry

The science of the measurement of time.

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Chronometry > Clock

mock pendulum

Chronometry; Clock

A small secondary pendulum bob attached to the real pendulum arbor, which appears in a segmental aperture on the dials of some 18th-century verge bracket clocks. It showed that ...

mission-style clock

Chronometry; Clock

A clock with a plain, straight-lined case made of oak, popular from about 1900 to 1925.

mirror clock

Chronometry; Clock

Also known as looking-glass clock. A term used almost exclusively in connection with New Hampshire wall clocks cased in frames with split columns on all four sides, usually with ...

minute track

Chronometry; Clock

Square or circular track divided into 60 equal segments. It may appear on the outer perieter of the dial or in the dial center.

milling

Chronometry; Clock

A method for giving specific shape to metal parts with revolving cutting tools, mostly known as milling cutters. It is faster than other methods of shaping. Although milling ...

micrometer gauge

Chronometry; Clock

A type of gauge for accurate measurement of small parts to thousandths of an inch, obtained by turning a precision, fine-pitched, threaded screw a known number of revolutions, or ...