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Scientific American, Vol. 83, No. 12 (September 1900) (1900)

leaf 13

An illustration from Scientific American, Vol. 83, No. 12 (September 1900), 1900, leaf 13
falo, N.Y., U. S.A. Calculating machine. W.G. Powell 657.674 Lens, R. D. Gray 657.S20 Camera, phoiograptiic. J. Scbaub 6.5t;.5ft9 Level and plumb, spirit, G. F. Quinby 657,fi75 Can. G. VV. Bingham BoT.fWB Lifting jiick. A. L. Cobb 657,514 The Perfection of Pipe Threading HIGHEST EFFICIENCY Cap,… … Package or pocket book, folding. A. W. Beers 657,687 ('oin assorting device, J. G. France 657,902 Packing, piston, S. E. Kelsey 657,548 jsb^Launches 1 Column, wooden, Schwerd & Emrick 657.&T6 Paddle wheel, D. S. Knowlton (S7,741 Commutator segment tip, A. H. Westerdahl 657.804 The Pratt & Whitney…

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