BECQUEREL, ALEXANDRE-EDMOND. LA LUMIèRE: SES CAUSES ET SES EFFETS. PARIS: FIRMIN DIDOT, 1867-68. 8 PLATES (6 COLORED, 4 FOLDING) AND ILLUSTRATIONS IN TEXT. 3 VOLUMES, 8VO, CONTEMPORARY QUARTER MOROCCO, JOINTS AND EDGES WORN; SOME SCATTERED FOXING TO TEXT AND PLATES. FIRST EDITION. Sotheran I,6088; Honeyman I,262 ("The author's best known work, containing his important researches on phosphorescence and the chemical effect on light"). (2)