This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1854 edition. Excerpt: ...we have stated that the ray restored by two reflexions has its plane of polarization brought into the state of--17. The following are the inclinations of this plane to the plane of reflexion, by different numbers of reflexions from steel and silver: --These results explain in the clearest manner why common ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1854 edition. Excerpt: ...we have stated that the ray restored by two reflexions has its plane of polarization brought into the state of--17. The following are the inclinations of this plane to the plane of reflexion, by different numbers of reflexions from steel and silver: --These results explain in the clearest manner why common light is polarized by steel after eight reflexions, and by silver not till after thirty-six reflexions. Common light consists of two pencils, one polarized + 45, and the other--45; and steel brings these planes of polarization into the plane of reflexion after eight reflexions, while silver requires more than thirty-six reflexions to do this. (132.) The angles at which elliptical polarization is produced by one reflexion may be considered as the maximum polarizing angles of the metal, and their tangents may be considered as the indices of refraction of the different metals, as shown in the following table: --Elliptical polarization may be produced by a sufficient number of reflexions at any given angle, either above or below the maximum polarizing angle, as shown in the following table for Steel: _ When the number of reflexions is an integer, it is easily understood how an elliptically polarized ray begins to retrace its course, and to recover its state of polarization in a single plane, by the same number of reflexions by which it lost it; but it is interesting to observe, when the number of reflexions is 1, 2', or any other mixed number, that the ray must have acquired its elliptical polarization in the middle of the second and third reflexion; that is, when it had reached its greatest depth within the metallic surface it then begins to resume its state of polarization in a single plane, and recovers it at the end of 3, 5, and 7, reflexions. A.
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Seller's Description:
The Cabinet Cyclopaedia Conducted by the Rev. Dionysius Lardner: Natural Philosophy. Optics. This is an ex-library book and may have the usual library/used-book markings inside. This book has hardback covers. In fair condition, suitable as a study copy. No dust jacket. Re-bound by library. 8vo sized book with a half marble/half leather cover. Gilt lettering on the spine. Raised bands. Front board is detached. Clean text. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 450grams, ISBN:
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Seller's Description:
Good. 8vo. 323, 95 p. : ill.; 18 cm. Quarter bound in contemporary leather. Cloth boards. Gilt lettering on spine. Good binding and cover. Chipping and loss to head and tail of spine. Rubbing to spine. Back board detached. Clean, unmarked pages with minimal toning. Sir David Brewster KH PRSE was a Scottish physicist, mathematician, astronomer, inventor, writer and university principal.
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Seller's Description:
Very Good. No Jacket. New edition, bound in leather. The boards are shelf rubbed and edge worn, with some light tearing near the spine, but the boards remain strong and sturdy, with bright gold gilt to the front and spine. Internally, there is a previous owner's signature on the verso of the front end page and there is light tanning and foxing throughout, but there are no other markings or inscriptions, and the pages within are crisp, clean and complete. Tightly bound and in remarkable condition indeed considering the age of the book! JK.
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Seller's Description:
8vo, hardcover. No dj, black cloth. Fair condition. LACKS title page. paper spine title label worn, though complete. binding rough. contents shaken, text complete. sliight scattered foxing throughout. 323 pp., + 88 page Appendix. Not pretty, but a complete and readable early edition.
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Seller's Description:
FAIR. 4X7. Wear to cover and spine. weak binding. 1"x1" missing piece to top of spine. major discoloring to spine. clean endpapers. with an appendix, containing an element view of the Application of Analysis to reflexion and refraction. pages are very clean. black illustrations throughout. _PAB_