(London, Harrison and Sons, 1897). 4to. No wrappers as extracted from ""Philosophical Transactions"" Year 1896, Volume 187. Pp. 551-618 a. 4 plates (2 double-page) reproductions of photographs taken. many textillustrations describing apparatus etc.
Reference : 44184
First edition. The paper interpretates the photographs and the spectra taken of the sun under the total eclipse in 1893.""Joseph Norman Lockeyer (1836-1920), pioneer English astrophysicist. He made importent advances in the field of solar and stellar physics, and is responsible for naming the element helium, for emphasizing the two-branch theory of stellar evolution, and (jointly with Janssen) for the method of observing solar prominences without an eclipsee."" (Source Book in Astronomy).
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