Pierce Butler

“ No steam, air, or other gaseous fluid is introduced into or used in the burner proper for any purpose, nor used with any part of the equipment for the atomization of the oil. The air, which passes through the register encircling the burner, is to supply oxygen necessary for combustion. ”

“ The steam, air, or other fluid passes through a pipe under heavy pressure, and is discharged tangentially into this space, rotating towards the outer orifice in a whirling layer. The oil leaving the inner orifice is struck by the rotating steam before it passes through the outer orifice. Air for combustion is supplied through a circular register attached to the front of the furnace, through the center of which the oil is projected from the nozzle into the furnace in a cone-shaped spray. ”

“ Infringement is a question of fact. The quoted finding is in the nature of special verdict of a jury. United States v. Anciens Etablissements, 224 U.S. 309, 322, 330, 32 S.C.t. 479, 56 L. Ed. 778; Brothers v. ”