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Scientific American, Vol. 77, No. 13 (1897) (1897)

leaf 3

An illustration from Scientific American, Vol. 77, No. 13 (1897), 1897, leaf 3
n the upper face of the body of the tie and IMPROVED GLASS CUTTING APPLIANCES. sidered as including any substance possessing charac- the under face of the top section. The springs are To facilitate the measuring and cutting of plate glass, teristics similar to those of unvulcanized rubber, and… … themselves, and are distinguished as brown or white, being pressed downward by the weight of a moving illustration have been patented by John W. Seiter, of although chemically they are essentially very similar. train into contact with the bottom section, the track Harlan, Ia. A graduated rail is…

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