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Six lectures on light [electronic resource] : delivered in the United States in 1872-1873 (1882)

Tyndall, John, 1820-1893, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services, University College, London. Library Services · London : Longmans, Green, and Co. · leaf 140

An illustration from Six lectures on light [electronic resource] : delivered in the United States in 1872-1873, 1882, leaf 140
118 ON LIGHT. LECT. Given the two beams transmitted through Iceland spar, it is perfectly manifest that we have it in our Fig. 31. … 8' B' power to determine instantly, by means of a plate of tourinaline, the directions in which the ether-particles vibrate in the two beams. The double refracting spar might be placed in any position whatever. A minute's Fig. 32. < n is the bi-refractine spar, dividing the incident light into the…

Boyle, Robert, 1627-1691 · Young, Thomas, 1773-1829 · Arago, F. (François), 1786-1853 · Light · Wave theory of light · Optical illusions · Gravitation · Vision

Internet Archive · UCL Library Services, University College London (UCL) · Public domain (published before 1931). Free to use for anything.

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