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Scientific American, Vol. 67, No. 19 (November 1892) (1892)
leaf 4
ll be the largest in the world, to a spring motor, 7, the latter being connected by tives on glass, and it may be applied while the film is larger even than those of the Midland, the London, another belt with the fan shaft, 8, the cotton being sti 1 moist; but, on the whole, for glass negatives a… … NEW BROAD STREET STATION OF THE PENNSYLVANIA RAILROAD, PHILADELPHIA PA © 1892 SCIENTIFIC AMERICAN, INC.Valve · Paper · Casein · Pipe · Munn · Scientific American · Paper mill · Direct system · Wire gauze · Wood pulp · Steam heating · Sewing machine · American supplement · Horse power · Wire glass
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