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Scientific American, Vol. 38, No. 5 (February 1878) (1878)
leaf 3
treet. weighing 66 pounds to the yard, and fastened to the cross merous columns necessarily varies, but it may be stated at , about 43 feet. The foundation and bed plate for each column Also an extension from the junction at Fifty-third street girders and floor beams by angle irons at each end.… … THE GILBERT ELEVATED RAILWAY IN NEW YORK CITY. © 1878 SCIENTIFIC AMERICAN, INCPatents · Carbonic · Iron · Rises · Inches · Meridian · Tube · Carbonic acid · Liquid · Wrought iron · Elevated railway · Sulphurous acid · Gilbert elevated · Greatest elongation · Nitric acid · Liquid carbonic · Scientific American · Uranus rises
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