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Directions for using the new improved Hadley's quadrant : with the new method of adjusting the glasses for the back observation. By his Majesty's Royal Patent. Made by P. and J. Dollond, Opticians To His Majesty, in St. Paul's Church Yard, London.
- Format:
- Book
- Author/Creator:
- P. and J. Dollond
- Language:
- English
- Subjects (All):
- Quadrants (Astronomical instruments)--Early works to 1800.
- Quadrants (Astronomical instruments).
- Physical Description:
- 1 online resource (56p.,2 plates )
- Other Title:
- Directions for using the new improved Hadley's quadrant
- Place of Publication:
- [London, s.n., 1772?]
- Notes:
- Includes: 'Directions for using the Hadley's sextant to determine the longitude at sea'.
- Leaf B8, pp. 30-31, is blank.
- With a half-title.
- Reproduction of original from British Library.
- Cited in:
- English Short Title Catalog, T125207.
- OCLC:
- 642345962
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