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Scientific American, Vol. 56, No. 20 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 56, No. 20 (1887), 1887, leaf 4
frequent cause of the frame of the drill are secured standards that bolts passed of complaint against machine folding in all first-class form bearings for two longitudinal levers having cen- through the work. Only one paste cup is used, and the trouble tral angular arms projecting outward, and by… … The lower section forms a from 1,200 to 1,600 sheets an hour from capacious gas chamber, connected with the top of The outer ends of horizontal which is a pipe leading through the upper section to twisted arms, one for each shoe, are fastened to the -the gas jet. The lower end of this pipe is…

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