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Scientific American, Vol. 91, No. 21 (1904) (1904)

leaf 3

An illustration from Scientific American, Vol. 91, No. 21 (1904), 1904, leaf 3
use. Print in the usual way in a patent on this invention. a printing frame, then wash and tone as directed tO ror - below, then fix with a sodium hyposulphite solution, REVOLVING SCRUBBING MACHINE. one part of the salt to eight parts of water. The ordinary method of scrubbing floors, that of For… … in general use, is that they are apt to present some obstruction to the passage of a chain or other mem- ber which may be hanging beneath a railway car, and easy and safe handling, whether the carboy be full or when such a pendant member catches upon a portion contain but a gill. of the cattle…

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