rossed locking important feature, as the device way be set in opera- AN IMPROVED STEAM MOTOR. bars and bring them in firm contact with the side tim- tion by one person. The illustration represents a rotary engine in which bers. In ordinary use the platform can be stopped at This useful invention… … the upright timbers of the well hole frames retain SCHMIDT'S SAFETY DEVICE FOR ELEVATORS. periphery of the piston at the same time, whereby ita the platform or cage in sliding contact therewith. expansive force is designed to be wore fully utilized, and make an economical engine. It has been…
Internet Archive · Public domain (published before 1931). Free to use for anything.