Popular histories of the building of the 200-inch telescope are available; the most recent is Ronald Florence, The Perfect Machine (1994). Historical perspective on Hale’s quest for a large telescope, including a reprint of Hale’s popular article that persuaded the Rockefeller Foundation to fund it, can be found in Helen Wright, Joan N. Warnow, and Charles Weiner, The Legacy of George Ellery Hale (1972).
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: National Park Service - Park History Program - Palomar Observatory 200-inch Reflector. | May 07, 2018 | ||
| The Hale Telescope made its first observations in 1949. | Apr 01, 2010 | ||
| Added new Web site: American Council of Learned Societies - Palomar Mountain Observatory. | Jun 16, 2009 | ||
| Added new Web site: National Park Service - Palomar 48-inch Oschin Telescope. | Jun 12, 2009 | ||
| Article revised and updated. | Sep 03, 2008 | ||
| Bibliography revised and updated. | Sep 03, 2008 | ||
| Article revised. | Oct 06, 2005 | ||
| Article added to new online database. | Jan 12, 2000 |
