Crosley, John, 1762 - 1817 (astronomer)
Found in 59 Collections and/or Records:
Mr John Pond's Vouchers re. the Nautical Almanac, 1811 - 1819
Vouchers of John Pond and Dr Thomas Young for payments to tradesmen and others.
Nautical astronomy, 1770 - 1810
A set of loose pages dealing with problems in ascertaining latitude and longitude at sea by observation of the stars, with descriptions, computations and formulae referred to apparent time. There are also sections on finding the Moon's longitude from the nautical ephemeris [RGO 4/196: 1r], the motion of the Sun's image in a Hadley quadrant [RGO 4/196: 2r], and the testing of other people's hypotheses.
It is not known if the papers are foliated in their original order.
Notes on the publication of the 1814 'Nautical Almanac' and eclipses for 1815, 1810-09-21
The letters are primarily from Nevil Maskelyne but include three sent to Andrews by Margaret Maskelyne, following the death of her father.
Observations and related papers from a voyage of HMS Providence, 1794 - 1798
Observations made on the voyage, 1801-1805, 1801 - 1805
The observations form a continuous run, with occasional headings based on location (reproduced here).
Observations of John Crosley, 1801 - 1803
Observations made by John Crosley on his voyage to New Holland (Australia) on board HMS Investigator to carry out surveying.
Observations of the moon's distance from the sun and fixed stars, 1795-03-03 - 1797-05-13
Made on board HMS Providence for determining the longitude at sea.
Orders and memoranda for paper and the sending of copies of the 'Nautical Almanac', 1790 - 1804
A diary of work performed on the 'Nautical Almanac' and arrangements for its compilation and publication.
Sanction for James Inman to replace John Crosley on the scientific expedition to New Holland, 1803
There are instructions for him to board the ship, details of observations to be made at sea and on shore, and general directions.
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