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Scientific American, Vol. 27, No. 5 (1872) (1872)

leaf 7

An illustration from Scientific American, Vol. 27, No. 5 (1872), 1872, leaf 7
is shown at K. REVERSIBLE WATER FILTER. were drowned. The body of Miss Vierden was found some The operation is as follows: The water received from the three miles below the scene of the disaster, covered with supply pipe passes down the water tube, D, through the A filter that cannot be reversed,… … and others for baving sown the seed of knowledge broadca t, terea Water tO risw, instead OL falling, into the pure water cut up and baked in a pie. The material is now ready for some of which he had picked up and endeavored to turn ta bleschirg in a vat, where it is treated with chlorine pumped…

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