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U (Stack)Cole, Benjamin
The Description and Use of a New Quadrant, for Finding the Latitude at Sea
invented and made, by Benjamin Cole, Mathematical and Optical Instrument-Maker, at the Orrery in Fleet-Street, London; late the Shop of Mr. Thomas Wright, Instrument-Maker to his Majesty. The Second Edition. With an Appendix, shewing some useful Improvements on Cole's Quadrant. Particularly Godfrey's Horizon Vane improv'd. Which furnishes the Mariner with the Means of taking an Observation easily in boisterous Weather. To which are added ... . London: Printed by John Hart, 1749. 8vo. [See also Hadley, John]. R. S. Clay's copy (purchase)
[1949- ]
1749