An account kept during thirteen months in the Royal Observatory at Greenwich , of The Going of a Pocket Chronometer, made on a new construction, by John Arnold, Having his new-invented Ballance Spring, and A Compensation for the Effects of Heat and Cold In the Ballance. Published by Permission of the Board of Longitude.
- Arnold, John, chronometer maker.
- Date:
- 1780
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- Online
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Account kept during thirteen months in the Royal Observatory at Greenwich (Online)
An account kept during thirteen months in the Royal Observatory at Greenwich, of The Going of a Pocket Chronometer, made on a new construction, by John Arnold, Having his new-invented Ballance Spring, and A Compensation for the Effects of Heat and Cold In
Publication/Creation
London : sold by John Arnold, No. 2, Adam-Street, Adelphi, 1780.
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- Full text available: 1780.