FLOW OF AIR THROUGH AN ORIFICE IN CUBIC FEET OF FREE AIR PER MINUTE. Flowing from a Round Hole in Receiver into the Atmosphere. FLOW OF AIR THROUGH AN ORIFICE IN CUBIC FEET OF FREE AIR PER MINUTE. Flowing from a Round Hole in Reciever into the Atmosphere.—Continued. LOSS OF PRESSURE THROUGH FRICTION OF AIR IN PIPES FOR EVERY ONE HUNDRED FEET LENGTH OF PIPE. INITIAL GAUGE PRESSURE, 80 POUNDS AT RECEIVER, |