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Scientific American, Vol. 100, No. 12 (March 1909) (1909)

leaf 16

An illustration from Scientific American, Vol. 100, No. 12 (March 1909), 1909, leaf 16
asy terms. Send for catalog. 914,449 Ribbon roll clasp or guard, T. II. O'Brien.. ■ fine brilliant, beauti- 2d Floor. Wllshire. Cleveland. 0. 914,563 Ring tray, safety, C. E. Fowler ST. LOUIS WATCHMAKING SCHOOL, St. Louis, Mo. ful thick plate ready I to deliver—no polish- 914,949 Rim compressor, A.… … crete construction, and their applications. Slicer, F. I'. Dunn 914,645 These articles constitute a splendid text book Slotting device, O. O. Storlie 914,613 on the subject of reinforced concrete. Noth- 914,991 Smoking appliance, F. A. Tai-ara Before the Fire or After? ing better has been…

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