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Scientific American, Vol. 24, No. 20 (May 1871) (1871)
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t the wheels cannot get off the track, and the car, striking the rail, would slide along without noticea- ed railways for New York, invented by J. M. Hannahs, of the bottoms of the cars will only run from three to four ble concussion, careening, or damage. Chicago, 111, and patented August 2, 1870.… … The girders being bolted rigidly to- tive and cars, only the lighter upper HANNAHS' PATENT METROPOLITAN RAILWAY gether by the cross-bars, and each being work of the cars rising above the sides. © 1871 SCIENTIFIC AMERICAN, INC.Patents · Iron · Water · Silver · Solution · Scientific American · Emery wheels · Dated march · Trade mark · Three pints · Strong solution · Mixed steam · Brain weight · Sewing machine · Dated july
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