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Scientific American, Vol. 61, No. 20 (1889) (1889)

leaf 3

An illustration from Scientific American, Vol. 61, No. 20 (1889), 1889, leaf 3
to be done the lever is makes it porous, and the greater porosity thus ob- simply turned to bring the kneader into operative po- tained facilitates the interchange of the gases and sition, when the operation may be carried on continu- ously. The ease with which this usually tiresome labor Fig. 2.… … DR. GASSNER’S DRY BATTERY. PAIGE’S LAMP EXTINGUISHER. and lowers the power of discriminating the relation of ideas and events. Aftera few periods of intoxication, diminishes the tendency to the polarization of the cap is arod connected at its other end to a lever pivot- the mind under the influence…

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