ow pipe, the device used was a bellows dollars to-day invested in experimental plants and in render valuable services to physiologists, botanists, and operated by foot. All this is now replaced by the suc- promoting new discoveries. We are glad to say all laboratories of science.—La Nature. tion… … Every investor has a right to have some reasonable obtaining a vacuum in inventor has not taken the right Fig. 2.-PEIKCIPLE OF THE two different directions. assurance that his money will be spent in a profit- method or adopted the proper plan of bringing his TBOMF. able direction. Money is the…
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