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Show BIG TELESCOPE TO AID SCIENCE Pittsburg. Pa- A- 29. A new 30-inch 30-inch photographic refractor telescope valued at 3150.000, said to be the third largest Instrument of its kind' in the world, was dedicated yesterday at the Allegheny obaenatory, Rlverriew park in tho presenco of a distlnguiah-ed distlnguiah-ed company of scientists and visiters. Ten years of subscriptions were made before the amount was raised. Director Di-rector Frank Schle3singer announced that an attempt would be made to determine de-termine exact distances between tho earth, stars and planets, although the taBk might occupy the next ten years. The new instrument ras erected in memory of William Thaw and his son, William Thaw, Jr., who were lifelong life-long students In the researches of Samuel Plerpont Langley and Jamon Edward Keeler, both former directors of the Allegheny observatory. |