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 382
rument within. The out-standing impression it makes upon the beholder is one of mass-ive dignity. Resting upon two concentric rings of concretepiers as a foundation, it is as nearly as possible fire-and-earth-quake-proof. The walls are double and the dome above isdouble-sheathed for protection… … PLATE LIII. Dome of the 100-Inch Telescope, Mount Wilson. As seen from the top of the 150-foot tower. Back range of the SanGahriel Mountains in the distance. The 100-L\ch Reflecting Telescope 255 the dome and to enable it to turn very quickly and with littlevibration. Electric motors turn the dome,…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
