U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 471
ing for elevating the cas-ing, the in king-roller, the lever carrying the same pivoted on the arms, tho link connected uto said lever for moving the iuking-roller. andthe spring for holding the roller in contactwith the types while passing over the same,substantially as described. CHARLES… … w if rjesse-s; jW SZ/£nf e/lffarrjeys,
Clocks and watches
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.