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Scientific American, Vol. 43, No. 12 (September 1880) (1880)

leaf 9

An illustration from Scientific American, Vol. 43, No. 12 (September 1880), 1880, leaf 9
^tuntxiu %mmtm. 184 [September i8, 1880. … sent many points of interest. A band of a bottle containing benzole. The cube caoutchouc attached one end to an index, Fig. 3.-SM0KING THE GUM. suspended in the benzole will immediately stretched to the zero of a paper scale, will, begin to swell, and will continue to do so if a gentle heal be…

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