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Scientific American, Vol. 16, No. 14 (1867) (1867)

leaf 15

An illustration from Scientific American, Vol. 16, No. 14 (1867), 1867, leaf 15
bs are screwed down, the trouble and improve the road. One of the greatest sources of metal can extend and contract with the changes of tempera- deterioration and cost is the unevenness of the road at the ture so as neither to open seams by contraction or crowd up points of contact of the rails.… … nary rectangular holes to be acts as translator) at $2,500. We trust that this important RAIL JOINT AND BASE PLATE. punched through. The base of measure will pass the Senate without delay. Its adoption will the rail is laid close to the plain edge of the base plate. On secure for inventors a more…

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