Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 275
THE CIRCUIT. 265 by screws that its motionis stopped before the ar-mature reaches the mag-net, else the residual mag-netism of the iron wouldprevent rapid working.The lever carries a style,which moves and marksFig. 327. a strip of paper, which is drawn by clock work. The message is recorded in a…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
