Principles and explanations of timekeepers by Harrison, Arnold and Earnshaw
By: introduction & technical appraisal [by] Jonathan Betts.
Contributors: Arnold, Thomas.
Publisher: British Horological Institute
Published: 1984
Place of publication: [UK]
Language: eng
Number of pages: 31
Work titles: The principles of Mr. Harrison's time-keeper
Notes: Facsimile reprints.
Table of contents: value: Explanations of time-keepers constructed by Mr. Thomas Earnshaw and the late Mr. John Arnold / Arnold, Thomas.