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Scientific American, Vol. 81, No. 16 (1899) (1899)

leaf 3

An illustration from Scientific American, Vol. 81, No. 16 (1899), 1899, leaf 3
researches have shown gage its tooth in a notch ; the washer is moved to en Parksville, S. C., for a matecher-head, by means of how important is the role of the bacterium in many gage the lng, before mentioned, in one of its notches: which the cutters or bits ean be vertically adjusted to… … tion of nitrogenous substances which, however, are comes a kind of mud which slowly detaches itself. completely available for nourishing the organism. We This strange process is due to the action of none other A MATCHER-HEAD ROTATIVELY AND VERTICALLY now know that it is not enough for chemical…

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