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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New and correct tables of interest, calculated on an enlarged plan, and in the most exact manner . From £1 to £1000 for 1 day to 100 days, and for 1 to 12 months, at 2, 21/2, 3, 31/2, 4, 41/2, and 5 per cent. Including rules and directions for casting-up interest at any rate, by the same tables. This is the only book of the kind which comprehends the interest at one view, of 11 to £20, in a regular and accurate manner. Containing also another valuable improvement, viz. Interest at 2 per cent. Together with tables of brokerage and for valuing annuities. By John Bettesworth, master of the Maritime School, Chelsea; and author of the Universal Reckoner, &c.
Bettesworth, JohnDate: 1780
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The new universal ready reckoner; or Every trader's infallible guide Containing, new and complete tables, most carefully cast up, and 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 said 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. and tables for casting-up wages, by the day, week, month and year. By John Bettesworth, master of the mathematical and naval Academy, Chelsca; and author of The New tables of interest; English grammar epitomized; arithmetic made easy, &c.
Bettesworth, JohnDate: 1778
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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, JohnDate: 1782
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A plan of the naval & commercial academy , At Ormond-House, Paradise-Row, Chelsea; for qualifying young noblemen and gentlemen for the Royal Navy, E.I. Company's Service, &c. &c. By J. Bettesworth, and able assistants.
Bettesworth, JohnDate: 1786