Kruesi became assistant general manager of the lower Manhattan Edison Machine Works in 1894 .
Kruesi was also an inventor , while at the Electric Tube Company , he devised a two wire conduit in which two semicircular conductors were separated by an insulator and covered in insulating material .
inventor became assistant general manager of the lower Manhattan Edison Machine Works in 1894 .
Kruesi was also an inventor , while at the Electric Tube Company , he devised a two wire conduit in which two semicircular conductors were separated by an insulator and covered in insulating material .