lever. dition to lighting the towns of Sonora and Columbia, tudinal slot in which is a pitman box preferably made This disk constitutes a cam of varying radii, as shown the company is furnishing power to the Rawhide mine. in two sections, engaging the crank pin on the crank in exaggerated form in… … WHEEL GOVERNOR. which was added to break the destructiveness NICHOLS' IMPROVED PITMAN. of the arc at the contact points. B is the brake solenoid in series with the motor cir- tacts for cutting equal resistances simultaneously into disk, and the box sections are held in place trans- the three leads…
