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The 200" Disk and the Hale Reflecting Telescope: Contemporary Accounts

Find books, articles, and archival materials on the 200" disk installed in the Hale Telescope at the Mount Palomar Observatory. For more information, please search our library catalog or contact our Ask a Librarian service.

The 200" Disk for the Hale Telescope Mirror

Find Answers to Your Glass Questions

The Pouring of the Giant Eye

Ladling the Glass

Ladle of Molten Glass on way to Mold. Photograph by Ayres A. Stevens, Corning Glass Works. United States, Corning, NY, 1934. Photo: black and white, 21 x 26 cm George V. McCauley Archive, the Rakow Research Library of The Corning Museum of Glass, Corning, NY (116523), used with permission of Archives, Corning Incorporated.

The Hale Telescope

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Interlibrary Loan

Interlibrary Loan (ILL) is a cooperative library service that allows you to borrow materials through your local library.

For more information visit our ILL page or e-mail