Original U.S. Korean War Air Force Type P1A Flying Helmet with MS-22001 Oxygen Mask and Earphones Technical Books Published by Schiffer Military History

Published by Schiffer Military History

William Ketland started business in Birmingham in 1740 and together with his grandson expanded to London later in the 18th century and lasted until the grandson's death in 1804

Research reveals that serial number 44095 dates the time of manufacture to the the second half of 1896

and one finger is ink stamped 59

Knight wearing a nearly identical jacket

Original U.S. Korean War Air Force Type P1A Flying Helmet with MS-22001 Oxygen Mask and Earphones Technical Books Published by Schiffer Military HistoryOriginal Item: Only One Available. As seen in the permanent collection of the Smithsonian National Air and Space Museum which can be found at this link. This helmet was officially designated; Helmet, Flying, Protective, Type P 1A, United States Air Force. The oxygen mask MS22001 can also be seen in the permanent collection of the Smithsonian National Air and Space Museum which can be found at this link. This was the first type of hard helmet mass