TY  - BOOK
AU  - Harrison,John
AU  - Arnold,John Roger
AU  - Earnshaw,Thomas
ED  - British Horological Institute.
TI  - Principles and explanations of timekeepers by Harrison, Arnold and Earnshaw
SN  - 0950962104
PY  - 1984///]
CY  - London
PB  - British Horological Institute
KW  - Harrison, John,
KW  - Arnold, John Roger,
KW  - Earnshaw, Thomas,
KW  - Chronometers
KW  - Clocks and watches
KW  - Clock and watch makers
KW  - fast
KW  - Marine Chronometer
KW  - United Kingdom
KW  - Historic
KW  - Theory General
N1  - 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
ER  -