Offset printing plates, erasing machines operated by an electric motor; farm equipment included in this class, animal feeders comprising machine devices for moving animal food from a storage bin to a place accessible to the animal, bale throwers being devices for picking up bales of hay and the like and throwing or depositing them in a wagon, baling machines, combined harvesters, corn shelling machines, machines for harvesting cotton, elevators, machines for distributing fertilizer, forage blowers being machines, forage harvesters, machines for grinding up and mixing different types of fodder, hay conditioners being machines for conditioning hay by running it through a crusher, manure spreading machines, machines for chopping up hay and other materials, material handling equipment included in this class, mowers, pelleting machines, rakes included in this class not being hand tools, silage Distributing machines, silo unloading devices included in this class, wind-rowing machines; hydraulic machinery and equipment in this class including hydraulic machinery and equipment for aircraft, plant machinery, earth moving, construction and road building machinery included in this class; hydraulic auxiliary power systems and equipment included in this class for aircraft, rocket motor powered weapons and space vehicles; power transmission gear trains and gear boxes included in this class, winches; automatic packaging, wrapping and labelling machinery; electric welding machines; electric motors included in this class; and all other goods included in this class