Trials of H4 and K1 and K3, 1770 - 1776
Scope and Contents
Comparison of Harrison 4 and Kendall I from 19 March 1770 until 15 February 1773, when Kendall I was not used. John Arnold's watch was used as a comparison from 27 July to 13 December 1774, and Kendall I was used once more from 1 August 1775. The Harrison 4 observations end on 1 September 1775. Kendall I and III are compared for 22 April - 11 June 1776.
- 1770 - 1776
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33 folio(s) (33 ff.) : Paper
Language of Materials
Finding aid date
- From the Series: Maskelyne, Nevil, 1732 - 1811 (astronomer and mathematician) (Person)