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A collection of films showing the construction and operation of the 200-inch Hale Telescope at Palomar Observatory, Palomar Mountain, California. This instrument was the world's largest effective telescope for 45 years (1948-1993). The collection includes footage of the transportation, grinding and polishing of the 200-inch mirror on the campus of the California Institute of Technology. A small portion of this material has been transferred to video tape and digitized from tape to DVD.
This collection consists of material collected by Helen Wright in the course of writing her 1966 biography of George Ellery Hale, Explorer of the Universe. It includes copies of documents which can also be found in the George Ellery Hale Papers, but also documents from other sources and Wright’s transcripts of some handwritten letters, particularly those from Hale to his wife and daughter.
- Names: Hale, George Ellery, 1868-1938 X