The Projection of the Sphere, Second Edition

Lingua: inglese

Editore: J. Nourse, London, 1769

Immagine dell’articolo 1 di 4

Da: Science and Religion from the Speight Collection, Honolulu, HI, U.S.A.Science and Religion from the Speight Collection

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Venditore AbeBooks dal 23 novembre 2025

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EUR 239,31

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Descrizione dell’articolo da parte del venditore

Clean copy with some browning. Numerous foldout plates. Bound in modern board with new-end pages. Quarter-calf spine. First edition published in 1749. Emerson (1701-82) was a schoolteacher and mathematician. He eventually gave up teaching and lived on the income from a small inheritance so that he could devote his time to study. He became an author well known for his “comprehensive grasp of all existing knowledge in all branches of his subject”. He published a defense of Newton’s Principia and authored a textbook on fluxions (calculus). The current work was originally bound with Emerson’s The Mathematical Principles of Geography. The first section contains the grounds of this art; by showing, how the several requisites are to be found, by the intersections of the circles of the sphere, with the plane of the dial, from the principles of spherical trigonometry; from which the practical rules are deduced. The second section contains the practice, and that three different ways. 1. Geometrically, by rule and compass, which depends upon the gnomonic projection of the sphere… 2. By trigonometrical calculation, by the tables of sines and tangents, which is the most exact way. 3. By the lines upon Collin’s Dialing scale, which is a method extremely easy and ready. The third section shows the way of making some other sorts of dials; and drawing the furniture upon any common dial; that is the projection of the several circles of the sphere; and inserting therein, such hours as have been used by other nations. …

Codice articolo ABE-1778032692620

Dati bibliografici

Titolo
The Projection of the Sphere, Second Edition
Autore
Emerson, William
Editore
J. Nourse, London
Anno di pubblicazione
1769
Condizione
Discreto
Lingua
inglese
Edizione
seconda edizione
Dimensioni
5 pollici di larghezza per 8,25 pollici di altezza per 1,5 pollici di profondità

Science and Religion from the Speight Collection

Honolulu, HI, U.S.A.

Venditore con 5 stelle

Venditore AbeBooks dal 23 novembre 2025

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ArticoloDa 5 a 14 giorni lavorativiDa 3 a 6 giorni lavorativi
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We have collected a wide variety of books in regard to science, art and religion dating from early 1900s to the the beginning of the 17th century.

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Science and Religion from the Speight Collection

HI, U.S.A.