e mechanical devices including clockwork that vard University has just completed the mounting on 'delicately poised that it appears to have no weight runs by a system of weights, but the Common tele- scope is moved and controlled entirely by electricity. its grounds at Cambridge, Mass., of a 5-foot… … The Observing Room of the Common Telescope. The Eyepiece of the Telescope of mirrors, is situated at a desk The largest telescope ever con- is Under the Window. in the "observing room" in the structed was a 6-foot instrument second story of the small building made by Lord Rosse in 1842, and shown…
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