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Scientific American, Vol. 47, No. 21 (November 1882) (1882)

leaf 3

An illustration from Scientific American, Vol. 47, No. 21 (November 1882), 1882, leaf 3
be used forthe next mixing.For 20 lb. white wool, 4 quarts of the mixture and 1 pintpressed by the spring with about the same force that the water are to be taken; for dyed wool, 4J quarts should besteam exerts on the other side, so that the valve will be in taken and 1 to 2 pints water. Where a… … Professor Haeckel on Education. In face of the surprising velocity with which in these lastyears the development theory has paved an entrance intothe most diverse departments of inquiry, we may here ex-press the hope that its high pedagogic value also will beeven more recognized, and that it will…

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