. The development of the American rail and track . lock, New Jersey Railroad, about 1860. (From original in the U. S. National Museum.) drawn from a set of the original joint fixtures that had been in thetracks of the present New York Division of the Pennsylvania Kail-road for many years.* Many of these blocks were used with steel railsand made excellent track, when kept in proper repair. SLOT RAIL AND KING JOINT. About 1850, on some parts of the Camden and Amboy and West Jer-sey Railroads, the ring joint was used. A slot about 2 inches long wascut in the stem of each rail at both ends; into t
. The development of the American rail and track . lock, New Jersey Railroad, about 1860. (From original in the U. S. National Museum.) drawn from a set of the original joint fixtures that had been in thetracks of the present New York Division of the Pennsylvania Kail-road for many years.* Many of these blocks were used with steel railsand made excellent track, when kept in proper repair. SLOT RAIL AND KING JOINT. About 1850, on some parts of the Camden and Amboy and West Jer-sey Railroads, the ring joint was used. A slot about 2 inches long wascut in the stem of each rail at both ends; into these slots a ring was * Presented to the National Museum by Mr. James R. Smith, supervisor New YorkDivision Pennsylvania Railroad, Newark, N. J. DEVELOPMENT OF THE AMERICAN RAIL AND TRACK. 699 slipped which encircled the base, to which it was secured by a wedgedriven on each side of the stem between the riug and the base of therail. Fig. 120 is drawn from a ring joint and wedges which were in the trackof the West Jersey Railroad for many 3 ears.*. Fiji. , Joint, and Wedge used ox the Jersey Railroad. (From original in the U. S. National Museum.) About 1850, G. Samuels patented the method of scarfing the rail-heads and bending the ends of the rail so that the stems could beriveted together in the same way that boiler plates are put together,but this invention was not put into practice. THE ANGLE SPLICE BAR. As early as 1857 the angle splice bar (or cast-iron bracket joint, as itwas then called) was tried on the Erie Railroad, The form of this splice-bar has been already illustrated in Fig. 52. It was abandoned aftera short trial. The wrought-iron angle splice-bar, somewhat similar in section to theAdams cast bracket joint, seems to have come into use about 1868. *Presented to the Museum by Mr. W. McAllister, master mechanic of the Pennsyl-vania Railroad, at Camden, N. J. 700 REPORT OF NATIONAL MUSEUM, 1889. Figs. 121,122,123, and 124* show the variations in form of
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashingtongovtprin
