It's Embury 160 from top to bottom. Besides the double strut camlox lift, the Embury signature parts are the loop-key wick adjuster, the two piece brass fill cap, the patented bail connection that terminates in the chimney bell and the cupcake pull ring. The bail connection most likely started in 1934 when they applied for patent (issued in 1936) on this improvement to the Defiance "Always Standing" bail. The cupcake pull ring changed to the gumdrop shape in 1938-1939, so this lantern is 1934-1939. It was replaced by the No.2 Air Pilot. BB