Original U.S. WWII Army Air Forces Communication Set - Three Throat Microphones & 2 Headsets Availability_Both 000 of these entrenching tools

000 of these entrenching tools

The artifacts were given to the Smithsonian Institution in 1918

The Swivel bales must have been added later in the war around late 1943

It has two very nice bone grip scales held in place by screws

Original U.S. WWII Army Air Forces Communication Set - Three Throat Microphones & 2 Headsets Availability_Both 000 of these entrenching toolsOriginal Items: Only One Set Available. Purchased at a recent military show, this is a very nice set of communication equipment used by members of the U. S. Army Air Forces. The headphones could be used anywhere, but the throat mics were specifically designed to allow communication while wearing an oxygen mask, as required at high altitudes in unpressurized cabins. This affected both pilots as well as air crew members. This very nice set consists of