Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 106
Hutchins. Their research, together with that of previousinvestigators, principally Kirchhoff and Angstrom, Vogeland Fievez, has led to the certain detection of at least 35 ele-mental substances in the Sun, among which are : — (Al) Aluminium, (Cr) Chromium,(Mg) Magnesium, (Ag) Silver,(Ba) Barium,… … COMPARATIVE PHOTOGRAPHIC SPECTRA OF THE SUN AND THEIRON-COPPER GROUP OF METALS (McCLEAN) (Spark spectra of the metals in air — Metals not all pure) More about the Situ — Solar Physics 73 Hydrogen, iron, nickel, titanium, calcium, and manganese arethe most strongly marked. RunGes researches in 1897…
Astronomy
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