Inside Out Library · Explore

Scientific American, Vol. 86, No. 26 (1902) (1902)

leaf 10

An illustration from Scientific American, Vol. 86, No. 26 (1902), 1902, leaf 10
ove, but not falls between a series of open jaws, B and C. The directly, for the depression would jaws, B, are stationary, while the jaws, C, are os- be insufficient for the purpose. A cillated toward and’ away from the jaws, B. Each third lever loosely pivoted to the jaw, C, carries a roller… … thumbs or fingers, while the other two tiers, which acter. The possibility of printing a wrong character SECTION OF AN ORE-CRUSHER. is remote, for the hand is not moved during the writing, even for printing capitals or spacing, and each finger is continually in engagement with its in- against the…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 86, No. 26 (1902)

More like this