12 results filtered with: 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?]- Books
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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]- Books
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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?]- Books
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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?]- Books
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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?]- Books
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New and correct tables of interest, calculated on an enlarged plan, and in the most exact manner. From Đ1 to Đ1000 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 Đ20, 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, John.Date: [1780?]- Books
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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.
Bettesworth, John.Date: M.DCC.LXXXIII. [1783]- Books
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The English grammar epitomis'd; wherein the parts of speech are made clear and easy. ... to which are added the several rules of syntax, in promiscuous examples of good and bad English. ... By J. Bettesworth.
Bettesworth, John.Date: 1778- Books
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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?]- Books
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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, John.Date: [1778?]- Books
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A system of naval mathematics: or, practical rules of the art of navigation. Intended for the Use of Schools, and Young Mariners. By J. Bettesworth, Master of the Naval Academy, Chelsea.
Bettesworth, John.Date: M,DCC,LXXXVII. [1787]- Books
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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, John.Date: M,DCC,LXXXVI. [1786]