Interior drawing of the Lick Observatory Refracting Telescope, Mount Hamilton, CA, c. 1916; from Charles Augustus Young, A Textbook of General Astronomy for Colleges and Scientific Schools, (New York: Ginn and Company, 1916), frontispiece
June 28, 2008 from Charles A. Young (1916) A Textbook of General Astronomy for Colleges and Scientific Schools, Revised Ed., Ginn & Co., New York, USA, (frontispiece) on Google Books