Steam road tests with railway test car 17 for the year 1907-1908 (1908)
Jaquet, George Emile, Munger, Guy Elmer · leaf 68
he circuit thru the coil is closed at the endof every five secondsjthe magnet draws lever C down, thus movingthe cam wheel forward one notch of the attached ratchet wheel.There are twelve times as many teeth in the ratchet wheel as thenuraber of cams, so that after every twelve progressive… … Mile Post Record* The mile post pen is operated by a simple magnet connectedto the pen rod. The circuit thru the magnet is closed hy meansof a push hutton whenever a mile post or station is passed. Thenumber of mile posts and names of stations are noted on the chartto aid in calculating the…
Railroad cars · Dynamometer · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
