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Scientific American, Vol. 70, No. 8 (February 1894) (1894)

leaf 15

An illustration from Scientific American, Vol. 70, No. 8 (February 1894), 1894, leaf 15
OVERMAN WHEEL CO. BOSTON. Hew YORK. PHILADELPHIA. CHICAGO. DETROIT. SAN FRANCISCO. OENVER. COLO FORCED PRODUCT. torsDrive Screw. Patented May 10, July 19,1887; July 10,1888; July 19,1892. It wlL turn like a screw into wood when driven with a hammer, and will not break the fibers of the … wood. It ischeaper thana common screw,and, being cold forg-ed, the entire surfacehas a metallic skin. For applying steps to Elec-tric Light Poles, it has no supe-rior. ty Send for samples to AMERICAN SCREW CO. PROVIDENCE, R. I. WATER MOTOR, $5. BOLCIANOS LITTLE CIANT WILL BUJT TOUR SEWING MACHINE…

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