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.

Format:

Book

Author/Creator:

Dunn, Samuel, 1723-1794.

Language:

English

Subjects (All):

Longitude.

Physical Description:

1 online resource (viii,152p.,plates ) maps ;

Other Title:

Theory and practice of the longitude at sea.

Place of Publication:

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]

Notes:

Reproduction of original from British Library.

Cited in:

English Short Title Catalog, T63521.

OCLC:

642650839