Principles and explanations of timekeepers by Harrison, Arnold and Earnshaw.

Principles and explanations of timekeepers by Harrison, Arnold and Earnshaw. Time-keepers Principles of Mr. Harrison's time-keeper, with plates of the same Explanation of time-keepers, constructed by Mr. Thomas Earnshaw and the late Mr. John Arnold - 1 volume (various pagings), [16] leaves of plates (some folded) : illustrations ; 28 cm

On spine: Time-keepers. "A British Horological Institute reprint celebrating its 125th anniversary year." Includes reprints of The principles of Mr. Harrison's time-keeper, 1767, and Explanation of time-keepers, constructed by Mr. Thomas Earnshaw and the late Mr. John Arnold, 1805.

Includes bibliographical references.

The principles of Mr. Harrison's time-keeper, with plates of the same -- Explanation of time-keepers, constructed by Mr. Thomas Earnshaw and the late Mr. John Arnold.

0950962104 9780950962108


Harrison, John, 1693-1776.
Arnold, John Roger, 1736-1799.
Earnshaw, Thomas, 1749-1829.
Earnshaw, Thomas, 1749-1829
Harrison, John, 1693-1776


Chronometers.
Clocks and watches.
Clock and watch makers.
Chronometers.
Clock and watch makers.
Clocks and watches.

Marine Chronometer United Kingdom Historic Theory General