Nautical astronomy, 1770 - 1810
Scope and Contents
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.
- 1770 - 1810
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35 folio(s) (35 ff.)
Language of Materials
Former / Other Reference
Finding aid date
- Brinkley, John, 1763 - 1835 (Bishop of Cloyne, astronomer)
- Crosley, John, 1762 - 1817 (astronomer)
- Hadley, John, 1682 - 1744 (natural philosopher and mathematician)
- Ríos, José de Mendoza y, c1762 - 1816 (naval officer and astronomer)
- Taylor, Thomas J, 1772 (assistant at Royal Observatory)
- Vancouver, George, 1758 - 1798 (explorer)