Spectroscopic Observations of the Sun. Received February 2, Read March 19, 1874. Pp. 577-586. Offprint from The Philosophical Transactions of the Royal Society, Vol. 165, Pt. 2., 1875. [RARE OFFPRINT of LOCKYER’S DISCOVERY OF HELIUM ON THE SUN. 6 PLATES]
London: Taylor and Sons. 1st Edition. RARE OFFPRINT OF JOSEPH LOCKYER'S DISCOVERY OF HELIUM ON THE SUN. ORIGINAL PAPER WRAPS, FINE CONDITION. 6 PLATES. An “offprint” is a separately published and bound issue of the journal paper in question. Usually these are printed for the given authors and for authors..... More