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Scientific American, Vol. 54, No. 10 (1886) (1886)

leaf 6

An illustration from Scientific American, Vol. 54, No. 10 (1886), 1886, leaf 6
§ STANDARD RAILROAD OIL TESTING nels, where they may be redissolved, and the tendency MACHINE. four speeds thus obtained. The countershaft should run to putrefaction will also be neutralized and checked. This machine has been specially designed to provide 150 and 430 revolutions per minute. The… … of the many other modern improvements which have seemed to have a marked sedative effect, but the symp- THURSTON’S STANDARD RAILROAD OIL TESTING imparted to the piano its extraordinary and compre- tom soon passed away. I was encouraged by this into MACHINE. hensive power as an interpreter of…

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