Pike's Illustrated Descriptive Catalogue of Optical, Mathematical and Philosophical Instruments; Manufactured, Imported, and Sold by the Author; With the Prices Affixed at Which They Are Offered in 1848 ...

Pike's Illustrated Descriptive Catalogue of Optical, Mathematical and Philosophical Instruments; Manufactured, Imported, and Sold by the Author; With the Prices Affixed at Which They Are Offered in 1848 ...

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1848 edition. Excerpt: ...their combination; it also will be found both pleasing and useful for viewing eclipses, clouds, landscapes, &c. Price, $1.50 to $3.00. Claude Black Glass Mirrors.--Claude's black glass mirrors, for perspective drawing. These are very useful for the young artist, as they condense or diminish the view into the size desired for the intended picture, and all objects bear their relative proportions. Price, $2.50. VOL. H.--17 Apparatus for the Polarization of light.--The phenomena produced by the polarization of light are among the most splendid and singular in the whole range of physical science. Common light consists of undulations, in which the vibrations of each particle are in the plane perpendicular to the wave's motion. The polarization of light is the resolution of each vibration into two; one parallel to a given plane passing through the direction of the wave's motion, and the other perpendicular to that plane, which become in certain cases the origin of waves that travel in different directions. When we are able to separate one of these from the other, we say that the light is polarized. Or, in simpler language, we would say, when the light of the sun is reflected from certain bodies at particular angles, according to the nature of those bodies (as glass at an angle of 56 45'), or by transmission through a plate of tourmaline, and also through doubly refractive crystals (as carbonate of lime), and these bodies are turned round, the light becomes in a measure decomposed, one side of the ray presenting an appearance and properties different from the other; these two contrary sides are said to be the poles of the ray, and the whole light becomes polarized light. Prism for Double Refraction.--(Figs. VI0 and 711.)--The best substance...show more

Product details

  • Paperback | 90 pages
  • 189 x 246 x 5mm | 177g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236959906
  • 9781236959904