The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific (1919)
Astronomical Society of the Pacific, Aitken, Robert Grant, 1864-1951 · San Francisco Stanford University Press · leaf 368
atements have also beenused, and particularly the abstract of Professor Hales recent address to the RoyalAstronomical Society printed in the December, 1918, number of The Observatory.It has seemed unnecessary, in general, to use quotation marks in a paper whichconsists almost entirely of direct and… … PLATE L. The 100-Ixch Mirror.(In the optical testing room. Pasadena.) The 100-Inch Reflecting Telescope 247 construction of a reflector of such great dimensions must beregarded as an experiment. It involved, in the first place, thecasting of a block of glass of sufficient homogeneity weighing4^…
Astronomy
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