Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 312
pparatus is notexhausted. The disc / is the platform upon which the prismtable rests; this may be rotated by turning the plug/, whichmay readily be done by means of a large milled head upon itslower end. The two arms m, m are fixed to /, and are fittedwith verniers reading upon a divided circle, so…
Spectrum analysis
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