Made in 1943 for the U.S. Navy, DAMAGE CONTROL IV shows the use of the Rescue Breathing Apparatus during firefighting operations aboard ships. Shown is the Navy Oxygen Breathing Rescue Apparatus, Type A-1, a self-contained, closed-circuit device. Oxygen, generated by chemicals in a canister, flowed to the right-hand section of the breathing bag, where it mixed with air previously passed through the canister, then to the left-hand breathing bag and on through the inhalation tube into the lungs. This process
Hide player controls
Hide resume playing