Word: refractors
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...conventional photograph is propped. A chain of ladies in turn-of-the-century dress hold hands in front of an Observatory that no longer exists. At the end of the chain stands Edward C. Pickering, appointed Director of the Observatory in 1877. Pickering concentrated on photometry, using the Great Refractor to take thousands of pictures, which the ladies he leads in the picture classified...
...Observatory on Garden St., staff member Hector Ingrao will try to photograph the eclipse with a 15-inch refractor...
Revision of Cambridge facilities has included construction of a $100,000 building, and new optical and electronics laboratories. Menzel added that a 111-year-old refractor, once the largest in the world, has now been completely restored. The 15-inch instrument is the largest at the Cambridge laboratory...
Contributors to the original telescope and its housing ranged from the American Academy of Arts and Sciences to the Revere Copper Company. The lenses for the first telescope then called the Great Refractor, came from Munich in 1846 and 1847 and by June, 1847, the telescope was in use. A transit circle then came from London and the first $100,000 endowment--was received from the Phillips Fund shortly afterwards...
This Great Refractor with which Harvard began its astronomic history was then the equal of the world's largest telescope. It still stands on Observatory Hill with its fine lenses, but pictorially speaking its "mounting is outmoded, its drive antiquated and the dome squeaks with age when disturbed...