. The development of the American rail and track . e necessary to relay alarge percentage of the mileage of almosc every railroad. Upon manyof the roads some rails were in nse with which the roads were originallylaid. The late Ashbel Welch, in A Memoir on Bails, read before theAmerican Society of Civil Engineers, June 10,1874, states that duringthe year 1865 the task presented itself to me of devising or selectingsuitable forms of rails for the system of railroads occupying the centralpart of the State of New Jersey between Philadelphia and New York,of which I was the executive officer as well
. The development of the American rail and track . e necessary to relay alarge percentage of the mileage of almosc every railroad. Upon manyof the roads some rails were in nse with which the roads were originallylaid. The late Ashbel Welch, in A Memoir on Bails, read before theAmerican Society of Civil Engineers, June 10,1874, states that duringthe year 1865 the task presented itself to me of devising or selectingsuitable forms of rails for the system of railroads occupying the centralpart of the State of New Jersey between Philadelphia and New York,of which I was the executive officer as well as engineer. The 62-pound Ashbel Welch rail, which was rolled by the BethlehemIron Company during the following year, was 4£ inches high, the basebeing 4 inches and the stem one-half an inch thick; the angle of incli-nation of bearing surfaces both on the top of the base and bottom of thehead beiug 14 degrees. Figs. 62 and 63 are from original sections of the Welch 50-pound and62-pound rail in the collection. Substantially this form of rail was.
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin
