Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 279
d the angulardistance of the first dark band from the centre of the field to The millimeter is about j^tb of aa inclu 248 APPENDIX. be 1 38; the angular distances of the second, third, fourthdark band being twice, three times, four times this quantity.Let A B, fig. 59, be the plate in which the… … edge, D, of the slit on the marginal ray of the other edge atd. The distance, C c7, between the foot of this perpendicularand the other edge is the length of a wave of the light. Theangle C D d, moreover, being equal to R C R, is, in the casenow under consideration, 1 38. From the centre D, withthe…
Light
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)](https://img.insideoutlibrary.com/img/200/ia-rudimentsofartof00bull-40-8.webp)
