Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896 (1897)
Thompson, Silvanus Phillips, 1851-1916, Royal Institution of Great Britain · New York : Macmillan · leaf 111
o produce red light by mixture ofany other two simple lights, or to produce blue-violet by admixtureof any other two simple lights. These three red. green, ami blue-violet being the three primary colour sensations. 90 LIGHT LECT. ably blue. In front of the other lantern is interposeda film of… … Fig. 54. lap and the lights mix we have—not green—but white!I put in the lantern a colour-whirler, having a diskcovered over half with blue and half with yellowgelatine, and on whirling it round the blue and yellowmix, and make white. Here is an experiment that any boy might make athome. A…
Light · X-rays
Internet Archive · UBC Library · Public Domain Mark 1.0. Free to use for anything.
