Earnshaw, Thomas, 1749 - 1829 (maker of watches and chronometers)
Found in 12 Collections and/or Records:
Account of the going of Mr Earnshaw's box timekeeper No.1 at the Royal Observatory, 1798-01-01 - 1799-01-01
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's box timekeeper No.1 (second trial), 1799-10-17 - 1800-12-03
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's box timekeeper No.1 (third trial), 1801-07-21 - 1802-11-27
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's box timekeeper No.2 at the Royal Observatory, 1798-01-01 - 1799-01-01
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's box timekeeper No.2 (second trial), 1799-10-17 - 1800-12-03
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's box timekeeper No.2 (third trial), 1801-07-20 - 1802-11-27
The series also includes two accounts of the rates of watches by Josiah Emory.
Account of the going of Mr Earnshaw's timekeeper No.265, 1796-01-04 - 1797-01-22
Daily rates of Mr Earnshaw's box timekeepers Nos. 1 and 2 (second trial), 1799-10 - 1799-11
The series also includes two accounts of the rates of watches by Josiah Emory.
Daily rates of Mr Earnshaw's timekeeper at the Royal Observatory, 1789-07-02 - 1790-04-22
Errors of Mr Earnshaw's timekeepers in their third trial, 1801 - 1802
The series also includes two accounts of the rates of watches by Josiah Emory.
Letter from Thomas Earnshaw, 1801-08-30
The letter is concerned with timekeepers and also contains notes and calculations in Maskelyne's hand.
Notes on the errors of Earnshaw's timekeepers, 1796-01 - 1797-01
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