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 375
ror as a whole,while the latter test is invaluable for detecting and correctingzonal errors in the general curvature. Throughout the figuringthe Hartmann method of testing was used, the measurementsof the photographic plates by Mr. Adams furnishing the mostexplicit data. Thus, through alternate… … PLATE LI. A tube-section of the 100-inch telescope on the road up Mount Wilson. (See p. 252.) The 100-Inch Reflecting Telescope 251 memories of the great glass standing in the optical shop asshown in our illustration. Some idea of the precision withwhich the figuring and testing had to be done may…
Astronomy
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
