Original U.S. WWII Navy 7x 50 Mark 21 SARD Binoculars by Square D - Bureau of Aeronautics Barrels Elevation (fixed): 45

Elevation (fixed): 45

Half Original Item: See "The American Bayonet 1776-1964" by Albert N

Rifle still has its original tulip-head

the Adams Patent Small Arms Company

30 caliber Pedersen

Original U.S. WWII Navy 7x 50 Mark 21 SARD Binoculars by Square D - Bureau of Aeronautics Barrels Elevation (fixed): 45Original Item: Only One Available. This is an excellent condition pair of WWII U. S. Navy Mark 21 SARD 7x 50 Binoculars by Square D specifically designed for the Bureau of Aeronautics. When the mission was to observe movement across a wide expanse of sky or water then a binocular with a much wider field of view was justified. Several wide angle binocular models were commissioned specifically for the Bureau of Aeronautics whose vital work included