Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 447
ectrum is thus obtained, and, bymeans of a prism over one-half of the slit, it was quitepossible for Kirchhoft and Bunsen to throw in a spec-trum from any other source for comparison, and so they 424 STARGAZING : PAST AND PRESENT. [book VI. compared the spectra of the metals and other elementswith… … Fi(i. 190.—ioucaults lieliostat. iron corresponded in the main with dark lines in thesolar spectrum ; and so they went on. There is, however, a method of varying the attackon this body altogether, by means of the spectroscopeand telescope. We saw that Kirchhoff and Bunsencontented themselves with…
Astronomy · Telescopes
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
