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 194
efactions,devoted almost exclusively to astronomical research. Thenumber of investigators, and the available instrumental equip-ment, are immeasurably greater than they were half a centuryago. 2. The great advances in mechanical processes which haveenabled the instrument-maker to furnish more… … PLATE XX\II. The 72-Inch Reflecting Telescope of the Dominion ASIROPHYSICAL OBSERVATORY. Astronomical Discovery 119 of the methods employed, due in large part to the applicationand adaptation of processes perfected in the allied sciences ofphysics and chemistry. 4. Properly to be included under the…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
