The description and use, of a new constructed octant, sextant and quintant. [electronic resource] : By His Majesty's patent, being an improvement on the Hadley's quadrant. By either of which, altitudes are taken, and angular distances measured to the greatest precision from 0. to 160ʻ. Without a back observation, and with double the space of illumination, or field of view: also a new meth[o]d of adjusting the glasses, and applying the instrument for the purposes of finding the latitude and longitude at sea.. By G. Wright.
1779
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Title
The description and use, of a new constructed octant, sextant and quintant. [electronic resource] : By His Majesty's patent, being an improvement on the Hadley's quadrant. By either of which, altitudes are taken, and angular distances measured to the greatest precision from 0. to 160ʻ. Without a back observation, and with double the space of illumination, or field of view: also a new meth[o]d of adjusting the glasses, and applying the instrument for the purposes of finding the latitude and longitude at sea.. By G. Wright.
Author
Wright, Gabriel.
Publication Details
London : Printed for the author, no. 36, Little Britain; and sold by Mr. Martin, optician in Fleet-street, and the booksellers in town and country, [1779?]
Place of Publication or Printing
Great Britain -- England -- London.
Language
English
Description
[4],40p.,II plates ; 8⁰.
Note
Price on title page: (Price One Shilling.)
Reproduction of original from British Library.
Reproduction of original from British Library.
Access Note
Access limited to authorized users.
Indexed In
English Short Title Catalog, T122335.
Reproduction
Electronic reproduction. Farmington Hills, Mich. : Cengage Gale, 2009. Available via the World Wide Web. Access limited by licensing agreements.
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