. American engineer and railroad journal . sam-ples of the work of the Norton grinding machine which at-tracted attention at the Saratoga convention. They also exhibita large line of emery wheels, including the largest one evermade. We are informed that the Midvale Steel Company haveinstalled these grinding machines with the intention of grind-ing all of their car axles. CAR-DOOR FASTENING AND VENTILATION. A car-door fastening devised by Mr. F. A. Delano, GeneralManager of the Burlington, and Mr. R. D. Smith, Master Me-chanic of that road, in Chicago, has recently been brought toour attention.
. American engineer and railroad journal . sam-ples of the work of the Norton grinding machine which at-tracted attention at the Saratoga convention. They also exhibita large line of emery wheels, including the largest one evermade. We are informed that the Midvale Steel Company haveinstalled these grinding machines with the intention of grind-ing all of their car axles. CAR-DOOR FASTENING AND VENTILATION. A car-door fastening devised by Mr. F. A. Delano, GeneralManager of the Burlington, and Mr. R. D. Smith, Master Me-chanic of that road, in Chicago, has recently been brought toour attention. It was developed to meet the peculiar require-ments of a combination of a hasp which may be sealed withthe door in the closed position, or with it open slightly, andalso may be secured by a padlock when the car is used forbonded freight. At the same time the cost was required tobe low and the device simple and durable. It was also neces-sary that it should be proof against thieves. The result was the device known as the Prairie Car-Door. The Prairie Car-Door Fastener. Fastener. It consists of a simple loop fastening attachedto the door, a hasp with two hooks with seal slots, one ofwhich engages the staple on the door post when the door isclosed, and the other when the door is slightly open, and abovethese hooks is a loop for the padlock, whenever it is needed. Its first cost is not greater than ordinary fastenings, it iseasily sealed, and the lettering on the seal is readily may be used on regular or bonded cars, and with the cardoor slightly open the seal and lock are as secure as when itis closed. We do not know of any other combination of thesefeatures, and the exigencies of present-day traffic render sucha device indispensable. The Proceedings of the Central Rail-way Club for May contain the following statement by H. Perkins, which shows the necessity for something of this sort: We do not have any trouble about the ventilation of boxcars containing grain, but
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
