The theory and practice of the longitude at sea I. By the Reckoning, or usual Method of sailing. II. By the Help of Watches or time-keepers. III. By the Sun, Moon and Zodiacal Stars. IV. By New Variation charts of the Magnetic Needle. With a general introduction to its Astronomical and Physical Principles; a Variety of Copper Plates and several useful Tables. By Samuel Dunn; Teacher of Mathematics, London

Bibliographic Details
Main Author: Dunn, Samuel
Format: eBook
Language:English
Published: London printed for the author and sold by him. Also, by his appointment, sold at several booksellers and mathematical instrument makers, in London and Westminster 1778, MDCCLXXVIII. [1778]
Subjects:
Online Access:
Collection: Eighteenth Century Collections Online / ECCO - Collection details see MPG.ReNa
Description
Item Description:English Short Title Catalog, T63521. - Reproduction of original from British Library
Physical Description:Online-Ressource (viii,152p.,plates) maps 8°