Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 414
Fig. 144. It should beremarked 396 SPECTROSCOPY … Fig. 145. tube F. The opening B is closed by a glass plate, and thewhole bulb is exhausted through C. By raising the mercury column until a drop flowsover into E the arc isstarted, and any further ad-justments are easily carriedout by raising or loweringthe mercury column. Barnesemployed with this…
Spectrum analysis
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