Essai d'Optique, sur la Gradation de la Lumiere
de BOUGUER, Pierre
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New York, New York, United States
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Sobre este artículo
Three folding engraved plates. 12 p.l. (the first leaf is a blank), 164, [4] pp. 8vo, cont. calf (upper joint cracked but firm, upper corners a bit worn), spine gilt, red morocco lettering piece on spine. Paris: C. Jombert, 1729.
First edition of the work which clearly established Bouguer as the discoverer of the first practical way of measuring light, as well as nearly all the photometric theory.
"Bouguer's achievement was to see that the eye could be used, not as a meter but as a null indicator, i.e., to establish the equality of brightness of two adjacent surfaces. He then made use of the law of inverse squares, first clearly set forth by Kepler. In his Essai d'optique sur la gradation de la lumière (1729), he showed how to compare lights in this way; he then went on to deal with the transmission of light through partly transparent substances. In the latter part of the Essai, Bouguer published the second of his great optical discoveries, often called Bouguer's law: In a medium of uniform transparency the light remaining in a collimated beam is an exponential function of the length of its path in the medium. This law was restated by J.H. Lambert in his Photometria (1760) and, perhaps because of the great rarity of copies of Bouguer's Essai, is sometimes unjustifiably referred to as Lambert's law."-D.S.B., II, p. 343.
Very good copy.
First edition of the work which clearly established Bouguer as the discoverer of the first practical way of measuring light, as well as nearly all the photometric theory.
"Bouguer's achievement was to see that the eye could be used, not as a meter but as a null indicator, i.e., to establish the equality of brightness of two adjacent surfaces. He then made use of the law of inverse squares, first clearly set forth by Kepler. In his Essai d'optique sur la gradation de la lumière (1729), he showed how to compare lights in this way; he then went on to deal with the transmission of light through partly transparent substances. In the latter part of the Essai, Bouguer published the second of his great optical discoveries, often called Bouguer's law: In a medium of uniform transparency the light remaining in a collimated beam is an exponential function of the length of its path in the medium. This law was restated by J.H. Lambert in his Photometria (1760) and, perhaps because of the great rarity of copies of Bouguer's Essai, is sometimes unjustifiably referred to as Lambert's law."-D.S.B., II, p. 343.
Very good copy.
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Detalles
- Librería
- Jonathan A. Hill, Bookseller, Inc. (US)
- Inventario del vendedor #
- 2485
- Título
- Essai d'Optique, sur la Gradation de la Lumiere
- Autor
- BOUGUER, Pierre
- Estado del libro
- Usado
- Cantidad disponible
- 1
Términos de venta
Jonathan A. Hill, Bookseller, Inc.
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Sobre el vendedor
Jonathan A. Hill, Bookseller, Inc.
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New York, New York
Sobre Jonathan A. Hill, Bookseller, Inc.
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Glosario
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- Calf
- Calf or calf hide is a common form of leather binding. Calf binding is naturally a light brown but there are ways to treat the...
- Spine
- The outer portion of a book which covers the actual binding. The spine usually faces outward when a book is placed on a shelf....
- Gilt
- The decorative application of gold or gold coloring to a portion of a book on the spine, edges of the text block, or an inlay in...
- Cracked
- In reference to a hinge or a book's binding, means that the glue which holds the opposing leaves has allowed them to separate,...
- Morocco
- Morocco is a style of leather book binding that is usually made with goatskin, as it is durable and easy to dye. (see also...
- First Edition
- In book collecting, the first edition is the earliest published form of a book. A book may have more than one first edition in...