Inside Out Library · Explore
Scientific American, Vol. 88, No. 7 (1903) (1903)
leaf 0
the further he had devised. One year later progress of the wheel J, which he received his English patent, brought the cam e on the inside in which he describes three dis- of wheel J in contact with the tinct machines—a machine for friction roller of the lever M, THE FIRST PATENTED TYPESETTING… … which was provid- (Continued on ed with grooves in- page 116.) © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 88, No. 7 (1903)
More like this