Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 105
, therings expanded. This is a beautiful experiment, andappears to have given Newton tho most lively satis-faction. NVlien white light fell upon tlie glasses, 74 ON LIGHT. ij:ct. inasmuch as the colours were not superposed, a seriesof iris-coloured circles was obtained. A magnifiedimage of Newton^s… … closer together as they recede frona the centre, lliis isdue to the fact that at a distance the film of air thickensmore rapidly than near the centre. When white lightis employed, this closing up of the rings causes thevarious eoloura to be superposed, so that after a certainthickness they are…
Light
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