HELIUM IN THE SUN: "Spectroscopic Observations of the Sun. -- No. II" (Philosophical Transactions of the Royal Society of London, Vol. 159 for the Year 1869, pp. 425-444). J. Norman Lockyer.
HELIUM IN THE SUN: "Spectroscopic Observations of the Sun. -- No. II" (Philosophical Transactions of the Royal Society of London, Vol. 159 for the Year 1869, pp. 425-444)

HELIUM IN THE SUN: "Spectroscopic Observations of the Sun. -- No. II" (Philosophical Transactions of the Royal Society of London, Vol. 159 for the Year 1869, pp. 425-444).

London: Royal Society of London, 1869. Hardcover. First Edition. iv, v, [4], [4], 28, [1]-812 pp. 4to. Library binding, tan leather spine with gold embossed titling. Interiors clean, ex-library stamp on title page, and occurring sporadically within. Numerous folding plates that illustrate articles. Pages were trimmed slightly when rebound. Very Good.
J. Norman Lockyer's (1836-1920) paper explaining his discovery of helium in the sun, a discovery that was made 25 years before helium was discovered on earth.
Also contains Thomas Andrews' "The Bakerian Lecture: On the Continuity of the Gaseous and Liquid States of Matter" (pp. 575-590).

[Book #27557]

Price: $1,500.00

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