Electrical machines, controllers for dynamo-electric machines - to wit: starting, stopping, reversing and speed regulating apparatus for motors; magnetic brakes for various types of machines; controllers and driving units for valves requiring rotation of an element thereof; motor starters; starters and speed regulators for the electric motors of fire pumps; printing presses, paper making machines, oil well drillers and pumps; crane and hoist controllers; all being machines or parts of machines included in class 7.

Electrical control apparatus and electrical supplies consisting of; voltage and current regulating apparatus for generators and like control apparatus for rotary converters; current breakers; lifting and separating magnets and controls therefor; electrical panel-boards and multi circuit breakers; solenoids, safety switches, meter service and entrance switches; float and pressure switches; insulating bases and solenoid-operated valves; fuse panels; wiring fixures comprising switches, attachment plugs, lampsockets, and cord connectors; elevator control apparatus consisting of limit switches, door switches, transfer switches, and floor selector switches, speed regulating and other current control resistors; rheostats, relays; contactors, switch panels, control panels; push button switches for machine tool controllers; speed controllers and regulators especially adapted for marine Service; resistance units for electirc space heaters, theatre and spot light dimmers; battery chargers, electrical controls for diesel locomotives; circuit controllers of the electronic type; electric welding controllers, and circuit controllers for electric refrigerators; terminal lugs, conduit fittings, switch boxes and covers, tape and receptacles, all being goods included in this class.