73056074
Jun 25, 1975
Aug 23, 1977
ELECTRICAL CONTROL SYSTEM-NAMELY, A SILICON CONTROLLED RECTIFIER CONTROLLER WITH MOTOR REVERSING CAPABILITY; ELECTRICAL SHUNT TO MONITOR THE MOTOR'S LOAD; ADJUSTABLE SOLID STATE ELECTRONIC COMPARATIVE CIRCUIT, USED IN LATERALLY POSITIONING AN UNLOADING AUGER IN A STORAGE BIN
Electrical and Scientific Apparatus