Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 135
divided circle is 12 inches in diameter,and is re;ad by means of two travelling wire micrometer eye-pieces C and D, by means of which the circle divisions can besubdivided to i of arc. Two tangent screw motions E and Fare fitted, one for slow adjustment of the arm carrying thetelescope and the… … Fig, 43. eliminate any errors of graduation. The collimator is carriedby a separate standard G, which forms part of the tripod standof the instrument. The prism table I can be rotated upon 120 SPECTROSCOPY its vertical axis by the rod H, the two being connected by bevelgearing. Fig. 45 shows a…
Spectrum analysis
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
