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Scientific American, Vol. 4, No. 3 (1861) (1861)

leaf 7

An illustration from Scientific American, Vol. 4, No. 3 (1861), 1861, leaf 7
and strength toothe rail neck at the joint. It cidental detachment. If only partially closed, a strain will be understood that this picce will “ break joints ’’ upon the same will close it, with the rail joint. Fis a lip which projects from in construction ;— but No. 3 is more complex the inside of… … The number of laprings in holes for the screw bolts, d d. use is very large. There are With this improved rail HEARD'’S IMPROVED RAILROAD JOINT. some 8,000,000 of farmers in joint, the ends of rails are the United States, and if half of this number average rigidly secured against springing in any…

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