The description and use of a new sea quadrant, [electronic resource] : for Taking the Altitude of the Sun from the visible Horizon; Which is so contrived, That the Observer will be liable to no Interruption, or Inaccuracy from the Ship's Motion. And The Latitude at Sea, May be obtained with greater Certainty, and more frequently than by any Instrument of the like Kind hitherto made publick. Invented, Made, and Sold by George Adams, Mathematical Instrument Maker to His Majesty's Office of Ordnance, at Tycho Brahe's Head, the Corner of Racquet Court, in Fleetstreet, London. To which is added, The Description and Use of two Curious Methods for procuring an Artificial Horizon at Sea, To be used with Hadley's Quadrant; one by means of a Whirling Speculum; the other by a Floating Mirrour.
1748
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Title
The description and use of a new sea quadrant, [electronic resource] : for Taking the Altitude of the Sun from the visible Horizon; Which is so contrived, That the Observer will be liable to no Interruption, or Inaccuracy from the Ship's Motion. And The Latitude at Sea, May be obtained with greater Certainty, and more frequently than by any Instrument of the like Kind hitherto made publick. Invented, Made, and Sold by George Adams, Mathematical Instrument Maker to His Majesty's Office of Ordnance, at Tycho Brahe's Head, the Corner of Racquet Court, in Fleetstreet, London. To which is added, The Description and Use of two Curious Methods for procuring an Artificial Horizon at Sea, To be used with Hadley's Quadrant; one by means of a Whirling Speculum; the other by a Floating Mirrour.
Author
Adams, George, 1709-1772.
Publication Details
London : printed by John Hart, MDCCXLVIII. [1748]
Place of Publication or Printing
Great Britain -- England -- London.
Language
English
Description
40p.,plate ; 8⁰.
Note
Reproduction of original from British Library.
Access Note
Access limited to authorized users.
Indexed In
English Short Title Catalog, T18679.
Reproduction
Electronic reproduction. Farmington Hills, Mich. : Cengage Gale, 2009. Available via the World Wide Web. Access limited by licensing agreements.
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