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Bettesworth, John

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The new royal Encyclopaedia Londinensis; or, complete, modern and universal dictionary of arts and sciences ... / [Edited] By G.S. Howard ... The mathematical ... and geographical parts, &c. revised by J. Bettesworth ... The historical ... departments, inspected by H. Boswell ... The philosophical, critical ... theological, musical, and other scientific subjects, revised ... by F. Stonehouse ... and others.
Howard, George Selby.Date: [1788?-1796?]
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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 for the Royal Navy: by J. Bettesworth, late mathematical master of the Maritime School, and H. Fox, French master to the said school:
Bettesworth, John.Date: MDCCLXXXII. [1782]
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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 earliest and least informed Capacities, and principally designed to revive the neglected, but useful Exercises of that Science. To which are added for Illustration, Examples and Proofs under every rule; also For Exercise) many Examples and their Answers under every Case in Reduction and the Rule of Three. Upon an intire new plan. By J. Bettesworth, Mathematical Master to the Maritime School, Chelsea.
Bettesworth, John.Date: [1780?]
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New tables of interest. A new book of interest, containing, accurate tables, ... at two and a half, three, three and a half four, and five per cent. ... A new edition, revised and corrected, by J. Bettesworth, ...
Bettesworth, John.Date: [1790?]
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The new universal ready reckoner: or, every trader's infallible guide. Containing new and complete tables, most carefully cast up, exhibiting at one Point of View the Value or Amount of any Quantity of Goods, in Trade or Merchandise, from One Farthing to Twenty Shillings, not only by the Pound, Ounce, Yard, Ell, &c. but also by the long or short Hundred, half Hundred, &c. The Whole so calculated, to assist in Buying and Selling all Kinds of Commodities, both Wholesale and Retail, As to be of the greatest Use even to those who are acquainted with Figures, by saving considerable Time, the various Tables being so accurately executed, that they may with the utmost Safety be relied on: And to those who are entirely unacquainted with Arithmetic, such plain and easy Directions are laid down, as cannot fail of making this useful Book familiar to every Capacity; whereby may be ascertained the exact Amount of any Number of Hundreds, Pounds, Ounces, Ells, Yards, &c. whatever may be the Price. To which are added, a valuable catalogue of weights, measures, &c. also Tables for casting-up Wages by the Day, Week, Month, and Year. Revised, corrected, and improved, by John Bettesworth, Master of the Mathematical and Naval Academy, Chelsea; and Author of the New Tables of Interest, &c.
Bettesworth, John.Date: [1780?]

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Bettesworth, John

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New tables of interest. A new book of interest, containing, accurate tables, ... at two and a half, three, three and a half four, and five per cent. ... A new edition, revised and corrected, by J. Bettesworth, ...