n coils took ticularly to cars having peak-shaped bottoms and side tion as was possible within the walls of the laboratory, place at the coupling boxes, one case of coils such as doors which open outwardly to allow the contents of we owe to Dr. Pupin; for a more extended application we show in Fig.… … The chains are then free to unwind from IMPROVED LOCKING DEVICE FOR DUMPING-CARS. words were distinctly audible across the the unlocked shaft and the pressure of the room, 33 feet distant. More startling was load against the side doors of the car causes the doors of the theory we must look to…
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