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Scientific American, Vol. 45, No. 4 (July 1881) (1881)
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popular prints of the a span of 200 feet; the famous center arch of the new Lon- factory to the audience. The best distance for conversation time and in later publications. At any rate one will-have to don Bridge over the Thames, with a span of 152 feet; Pont- was about three feet. When the… … UNION ARCH, CABIN JOHN CREEK © 1881 SCIENTIFIC AMERICIAN, INCBoiler · Patented · Cotton · Liquid · Patents · Solution · Gun cotton · Acid · Nitric acid · Cast Iron · Scientific American · Compressed gun · Salt solution · Trade catalogs · Guinea pigs · Silver solution · Feed water
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