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Radcliffe Tracts 77 ([7b])Adams, George
Instructions For the Use of Hadley's Quadrant. *
Made and Sold by George Adams, Instrument-Maker to his Majesty's Office of Ordnance, At Tycho Brahe's Head, the Corner of Racquet-Court, in Fleet-Street, London. n.d. [?c.1760]. 12 pages. [Footnote to title reads:] * Extracted from a Description of a new Instrument invented by John Hadley, Esq;.
[1934-41]
1760?