Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 137
eces to within i of arc. The prism table isalso graduated, and can be read by means of a short telescope.Both the prism table and the fine adjustment of the telescopecan be manipulated from the eyepiece end of the instrument,the former by the handle to be seen just under the telescopebellows, and… … Fig. 4S. There is also another type of instrument which may bedescribed here, namely, the fixed-arm spectroscope, althoughperhaps some of these instruments are not adapted forquantitative work. By a fixed-arm spectroscope is meant aninstrument in which the telescope and collimator are im.-movable,…
Spectrum analysis
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