Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 402
Grotesque efTects of curved surfaces. same intensity, by advancing or withdrawing one of thetwo sources of light. The intensities of the two lightswill then be inversely proportional to the squares of themeasured distances, A B and AC. By a similar carefulcalculation it has been possible to draw up… … 46 LIGHT. included here the electric light, which has recently attractedso much attention, because this system of lighting canhardly be said to have yet penetrated the domain ofdomestic life ; but there is no doubt that electricity isbecoming more and more adapted to our daily life.
Scientific recreations
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
