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
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Format: | eBook |
Language: | English |
Published: |
[London]
Skirven, printer, Ratcliff-Highway
1781, MDCCLXXXI. [1781]
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Online Access: | |
Collection: | Eighteenth Century Collections Online / ECCO - Collection details see MPG.ReNa |
Item Description: | English Short Title Catalog, T13195. - Includes: 'A journal of a voyage, from the Lizard, towards Madeira, in the Swift, A.B. commander. ..'. - Reproduction of original from British Library |
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Physical Description: | Online-Ressource (38,[2]p.,plate) 8° |