Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 145
^^^_ 00 ^^--^ 0 Fig. 51. THE COMPLETE PRISM SPECTROSCOPE 129 distance pieces C. It will be seen from the figure that ai-inch slot is formed along the frames, and the tables carryingthe lenses, etc., are provided with lugs, which fit into theseslots. Underneath each frame is screwed the i-inch… … B B llj Ic -#- 1 <Jl AC A G Bi^---^-|4-^ Fig. 52. A diagram of the tables carrying the lenses and slit isshown at F; these are all of i-inch wood, 5 inches square, and,as mentioned above, are firmly screwed to i-inch lugs E, whichfit into the slots. They can thus be put in any position, and,when…
Spectrum analysis
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