. American engineer and railroad journal . ional Safety Car-Door Fastener. and the door shows no indication of hav-ing been opened. With this new device,however, the door staple has a lip, as in-dicated in the engraving, and is securedby a bolt so that it cannot be hasp has been modined to adapt it tothe new staple, out in other respects thefastening is identical with the well knownNational fastening and possesses all ofthe features of that device. Thesealing pin is riveted to the stapleplate and these parts go out asone piece. The riveting of the seal-

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering