. The Artizan. WSmiM » ?? THE AETIZAN. No. 12.—Vol. II.—Fourth Series.—Vol. XXVI. Erom: the ComiEXCEMEXT. 1st. DECEMBER, 1868. IMPROVED RIGID SUSPENSION BRIDGE. By A. S. Hallidie, San Francisco. {Illustrated ly Plate 339). The suspension bridge is the oldest form of bridge in existonco, exceptingof course the rough and ready method of crossing a small stream or chasm,by means of a bamboo or tree laid from bank to bank. As in the case ofso many other useful inventions, the Chinese were undoubtedly the first toemploy this method for crossing channels of considerable width, althoughth
. The Artizan. WSmiM » ?? THE AETIZAN. No. 12.—Vol. II.—Fourth Series.—Vol. XXVI. Erom: the ComiEXCEMEXT. 1st. DECEMBER, 1868. IMPROVED RIGID SUSPENSION BRIDGE. By A. S. Hallidie, San Francisco. {Illustrated ly Plate 339). The suspension bridge is the oldest form of bridge in existonco, exceptingof course the rough and ready method of crossing a small stream or chasm,by means of a bamboo or tree laid from bank to bank. As in the case ofso many other useful inventions, the Chinese were undoubtedly the first toemploy this method for crossing channels of considerable width, althoughthe inhabitants of many other countrios were long before us in this branchof engineering. A Spanish writer (De Ulloa) has described a kind ofbridgo called a Tarabita, which was used to cross the chasms in theCordilleras in South America. In this case the bridgo was mado of bamboo,or of strips of hide, and stretched from one side of the chasm to the such ropes were used, inclined in opposite directions, so
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