The description and use of a new much-improved sinical quadrant, whereby, A Person knowing Addition and Subtraction only, may learn, in Six Hours, to allow for Variation and Lee-Way, &c. Also, determine the Longitude at Sea, and keep a regular Journal of a Voyage to any Part of the World. This Instrument is equally useful in Altimetry, Surveying, &c. for taking Altitudes, and determining right angled Triangles. Invented by John Adams, at the Academy, In Brook-Street, Ratcliff; And Made by Richard Rust, Mathematical-Instrument-Maker, St. Catherine's, London.

  • Adams, John, approximately 1730-approximately 1800.
Date:
MDCCLXXXI. [1781]
  • Books
  • Online

Online resources

About this work

Publication/Creation

[London] : Skirven, printer, Ratcliff-Highway, MDCCLXXXI. [1781]

Physical description

38,[2]p.,plate ; 80.

References note

ESTC T13195

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.

Languages

Permanent link