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
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| Format: | eBook |
| Language: | English |
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[London]
s.n
1772, [1772?]
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| Collection: | Eighteenth Century Collections Online / ECCO - Collection details see MPG.ReNa |
| Item Description: | English Short Title Catalog, T125207. - Includes: 'Directions for using the Hadley's sextant to determine the longitude at sea'. - Leaf B8, pp. 30-31, is blank. - Reproduction of original from British Library. - With a half-title |
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| Physical Description: | Online-Ressource (56p.,2 plates) 8° |