The ready observator; or an infallible method for determining the latitude at sea: by altitudes of the sun, At any Time of the Day, either Fore-Noon or After-Noon, Independant of a Meridional Observation. The Whole rendered peculiarly easy for Practice, and annexed with a compleat and correct Sett of all the necessary Tables; Viz. Logarithmic Solar Tables, Sun's Declination, Natural Sines, Secants Less Radius, and Logarithms. By N. D. Falck.

  • Falck, N. D. (Nikolai Detlef), 1736-1783.
Date:
1771
  • Books
  • Online

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About this work

Publication/Creation

London : printed for the author and sold by Wells [i.e. Welles] and Grosvenor, Stationers, No. 11, in Cornhill; by the mathematical instrument-makers, and all booksellers in the sea-port-towns in Great Britain, 1771.

Physical description

[2],iii,[1],8,[64]p. ; 40.

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References note

ESTC T58755

Reproduction note

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.

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