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Scientific American, Vol. 47, No. 14 (September 1882) (1882)
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e grinding. This gigantic telegraphically, nearer New York than Chicago is now. instrument, when finished, is to be erected on Mount Ham- of the curvature of the crown glass lens, outside surface, is ilton, California. 2658 inches; inner surface, 81'9 inches. These surfaces are When the plant is… … 3,000,000 nightly in the It is more than 6 feet long. THE PRINCETON TELESCOPE. grove. © 1882 SCIENTIFIC AMERICAN, INCPatented · Patents · Improved · Apparatus · Scientific American · Feet · Patented improvements · Trade marks · Trade mark · Foreign patent · Letters patent · Domestic patent · Steam tricycle · Compressed air · Sir thomas
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