Arnold, John Roger, 1769 - 1843 (watch and chronometer maker)
Found in 19 Collections and/or Records:
An account listing chronometers awaiting repair, 1829-05-15
Provides details of repairs for chronometer Nos. 405, 421, 425, 485, 502, 511, 530, 541. Sent from John Roger Arnold to Thomas Taylor.
Copy of a letter from John Roger Arnold to the Board of Longitude, 1809-02-18
Description of Mr Arnold's escapement, 1804-06 - 1804-11
Description of Mr Arnold's time-keeper, 1805-03-05
Descriptions and drawings of Mr Arnold's escapement and time-keeper, 1804 - 1805
Letter advising that repairs to chronometers reported in previous letter [RGO 5/237: 103] are due to wear and tear, 1829-05-21
Sent from John Roger Arnold to Thomas Taylor.
Letter concerning a bill for repairs to chronometers for 1827, 1828-01-01
Sent from John Roger Arnold to Thomas Taylor.
Letter concerning an order for two chronometers, Nos. 341 and 502, 1825-12-29
Sent from John Roger Arnold to Thomas Taylor
Letter from Hayward to Brockbank concerning the date of a visit to Mr Arnold, 1804-06-01
Letter from John Roger Arnold concerning damage done to chronometer No. 176, 1805-07-11
The chronometer was to be brought on a voyage under Captain Bligh.
Letter from John Roger Arnold to the Board of Longitude, 1805-12-12
Letter from John Roger Arnold to the Board of Longitude, 1809-03-02
Letter reporting on examination of chronometer Nos. 255, 417, 535, 540, 554, 556 and 2182, 1826-03-20
Sent from John Roger Arnold to Thomas Taylor.
Note reporting on repairs to chronometer Nos. 490 and 563, 1828-12-31
Sent from John Roger Arnold to Thomas Taylor.
Printed copy of questions proposed by the Board of Longitude to Mr Arnold, 1805
With his answers to the same.
Printed explanation of time-keepers constructed by Mr Arnold, 1805
Printed explanation of time-keepers constructed by Mr Arnold, 1805
This copy of the account was printed with wider margins for remarks and circulated amongst chronometer makers for their opinions.
Questions asked of Mr Arnold relative to his specification of his father's timekeeper, 1805-07-08
With Arnold's answers.
Statement by James Duncan regarding Mr Arnold's inventions, 1805-05-30
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