Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . f , for containing newspapers anil otherprinted matter for conveyance through the post-office. Wlien of leather, the joints are closed withrivets ; when of canvas, the seams are felled. Thefa,stening of the mouth is by staples on one portion,which project through slits in the other, a strap be-ing rove the staph-s and locked. Mail-bag Re-ceiver
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . f , for containing newspapers anil otherprinted matter for conveyance through the post-office. Wlien of leather, the joints are closed withrivets ; when of canvas, the seams are felled. Thefa,stening of the mouth is by staples on one portion,which project through slits in the other, a strap be-ing rove the staph-s and locked. Mail-bag Re-ceiver and Dis-charger. Adevice for rei^eiving mail-bags from or deliveringthem to raihvay-cars in motion at stations along theroad. Fig. shows one form of tlie device, inwhich the rod // attached to the car .strikes the .sus-pended mail-bag and draws it from the hook G\ whenit falls upon the hinged incline i^ and is deliveredinto the car. In this way the mail is received by a car while under full headway, and simultaneouslymail is delivered from the car by means of the trap-door C. The door C is disengaged by an arm D,which comes in contact with a post E, and the bagsfall into the box K. When the receiving and deliv- Fig. Mail-Bag Receiver and Discharger. ering arc done, the .section B is slid back into thecar. Worsdells apparatus for receiving and deliveringmail-bags and express matter to and from railway-cars, English patent, January 4, 1S3S. The bags tobe delivered are by their loops from twopins in a bar projecting from the carriage, fromwhich bar projects a prong or hook, and theIiags to be received at the station are suspended fromsimilar apparatus attached to a lamp-post. By thejiassage of the caniage past the himp-|iost, the hookon the lattei passes through the loops of the carbagsand bears them olf the pins, while the hook on thecar in like nianuer carries off the bags from the sta-tion. Other plans have scoops or cylinders on the carwhiih pock
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
