Original U.S. WWII Navy Aircraft Breathing Apparatus "Blimp Rebreather" Hand Select:Yes - Are the real deal

- Are the real deal and are 100% genuine antique military issue knives

The World War II MG 15 was used in nearly all Luftwaffe aircraft with a flexible-mount defensive position

introduced in 1934

chinstrap rivets located higher up on the steel shell and variations in locations of markings among others

In the correct black finish each tube bears replicated WWII Maker's code and date for added authenticity

Original U.S. WWII Navy Aircraft Breathing Apparatus "Blimp Rebreather" Hand Select:Yes - Are the real dealOriginal Item: 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. Used with USN C type breathing mask (not included). Chemical cylinder not included. This is a fascinating piece of history, high altitude bombing in late WWI with German zeppelins and allied blimps lead to the discovery that maintaining ships higher than 16,000 feet for