Historical information
Captain Arthur Guedel was an American anesthetist who arrived at the Western Front with the American expeditionary force prior to America's official entry. He trained students in airway management and the monitoring of dept of anaesthesia using his chart board description of the signs and stages of anaesthesia.
Physical description
Black plastic tube, flattened and squared off, with a flat mouth plate. There is a metal inner tube which also has a flat plate.
Inscriptions & markings
Stamped into metal flat plate: KING / 1
Moulded into plastic flat piece: KING
