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1

A system of naval mathematics...

by Bettesworth, John
Published 1787

printed by J. Moore, No. 43, Drury-Lane, for the author; and sold by Mr. Le Keux, optician, No. 103, near Execution-Dock, Wapping; and the following booksellers, viz. Mr. Wenman, Fleet-Street; Mr. Chappell, Royal - Exchange; Mr. Mottley, Portsmouth; Mr. Gillman, Chatham; and Messrs. Heyden and Son, Plymouth

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2

Observations on education in general : But particularly on naval education: with a plan of a naval academy, at Ormond House, Paradise-Row, Chelsea, for qualifying young gentlemen f...

by Bettesworth, John
Published 1782

Printed by Matthew Hesse, No. 1, Leman-Street; Goodman's-Fields

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3

Arithmetic made easy : in the first four fundamental rules, with an appendix of reduction and the single rule of three. Also a collection of all the useful tables. Submitted to the...

by Bettesworth, John
Published 1780

printed for the anthor [sic], by W. Mackintosh; and sold by W. Davies, Ludgate Hill; A. Hogg, Pater-Noster-Row; J. Macgowan, St. Paul's Church-Yard; and - Turpin, St. John's Street, West-Smithfield

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4

Arithmetic made easy : in the first four fundamental rules, with an appendix of reduction and the single rule of three. Also a collection of all the useful tables. Submitted to the...

by Bettesworth, John
Published 1780

printed for the author, by W. Mackintosh; and sold by W. Davis, Ludgate-Hill; A. Hogg and J. Macgowan, Pater Noster-Row and H. Turpin, St. John's Street, West-Smithfield

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5

The seaman's sure guide, or, navigator's pocket remembrancer: wherein are given such plain instructions in every useful branch of navigation, as will in a short time form the complete mariner. Among the variety of essential articles contained in this Work are, The Method of Working Tides, or finding High Water at any Place. - Geometry, and the Doctrine of Plain Triangles. - To make Log-Lines, and correct Distances given by Log when the Glass, Line, or both are faulty. - The various Sailings, with Amplitudes and Azimuths. - To find the Apparent and True Altitudes of the Sun, Moon, and Stars. - The different Methods of finding the Latitude. How to find the Apparent Time at Sea, to Regulate the Watch. - The new Method of finding the Longitude by Sun and Moon, or Moon and a fixed Star. - To rectify Courses; with Rulés for correcting the Dead Reckoning, by an Observation in all Cases. - Exercising Examples of Days Works. - A complete log of a ship's voyage, with Instructions for writing a Journal from the Log Book, &c. &c. Upon an Improved Plan, For the Use of Schools. By J. Bettesworth, Master of the Naval Academy, Chelsea, and late Mathematical Master of the Maritime School

by Bettesworth, John
Published 1783

printed for the author, and S. Hooper, No. 212, High-Holborn, facing Southampton-Street, Bloomsbury-Square; J. Murray, Fleet-Street; and D. Steel, on Tower-Hill