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Scientific American, Vol. 81, No. 19 (1899) (1899)

leaf 13

An illustration from Scientific American, Vol. 81, No. 19 (1899), 1899, leaf 13
Grain roller. ment Works it a very convenient Rolling mill, H. Grey............0. cece eee ee ee! 635,381, 635,382 arrangement for the 635,450 Root cutter, O. E. Thompson. busy dentist. Rotary steam engine, F. Kruger.... .. 683,598 NEW YORE: 59 Fifth Ave. ‘ HE HOLTZER.- CABOT ELFOTRIC co., “Boston…

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