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 117
hi. MAGXETISM A TYPE OF POLAE FORCES. 95 tendency of the filings to arrange themselves in de- terminate lines. They cannot freely follow this ten- dency, for they are hampered by the friction against the paper. They are helped by tapping the paper; each lap releasing them for a moment, and enabling… … > is the nozzle of the lamp; Jt a plane mirror, reflecting the beam upwards. At F the magnets anil iron filings are placed ; L is a lens which forms an image of the magnets and filings ; and R is a totally-reflecting prism, which casts the image G- upon the screen. you all to see it, I take a pair…
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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