June 12-13, 2019 Edged Weapon, Armor, & Militaria
This lot is closed for bidding. Bidding ended on 6/13/2019
These were used by aviators flying high altitude bombing missions. It is complete and still holds air. The ID plate is missing. Developed in late 1930's by Mine Safety Appliance (MSA), these oxygen regenerating systems provided dirigible aviators with necessary flow of oxygen at higher altitudes. They were also used in observation blimps. CONDITION: Good, with some areas of loss and patination to paint and metal.