Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 716
g screws so that it may be readily ad-justed. On either side of the prism, and movable aboutthe vertical axis of the table, are placed a telescope. T. anda tube. C. known as the collimator, furnished at the outerend with a narrow slit, S, and at the inner end with a posi-tive achromatic lens. The… … Fig. 456. angle of minimum deviation, they suffer dispersion, andafter passing through T appear to diverge from points in thefield of the telescope, which differ with different wave-lengths. For purposes of comparison a bright scale of equalparts in L is often so arranged that its image by…
Physics
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
