ison for separating magnetic sands from the non- per square meter, from 1 to 2-8 inch thick. The designs lack strength. Our engraving represents a new method of magnetic particles of ore by altering the trajectory of the on the surface consist of fine parallel corrugations or small constructing… … such as rings, parts of rings, and rough lenses. As a speci men of the thickness that can be given to cast glass, there SAGET'S CARTRIDGE. was shown a disk 403 feet in diameter by 8J^ inches thick, EDISON'S ORE SEPARATOR. weighing more than 1,320 pounds. This disk is an exact The tube, which is of…