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.
- Dunn, Samuel, -1794.
- Date:
- MDCCLXXVIII. [1778]
- Books
- Online
Online resources
About this work
Publication/Creation
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, MDCCLXXVIII. [1778]
Physical description
viii,152p.,plates : maps ; 80.
Contributors
References note
ESTC T63521
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.