Steam engine hitched to gang plow with dynamometer between draw-bar and plow. Dynamometer registering between draw-bar and plow. Dynamometer registering 5000 lbs.
Steam Engine belted to Prony Brake: The brake wheel is turning 300 rpm. To make the calculation, the brake arm is made 63'' long from the center of the shaft to the point that rests on the platform scale. 63'' is very nearly the exact radius of a circle w