Original U.S. WWII Navy 7x50 Mark 21 Unissued SARD Binoculars by Square D - Bureau of Aeronautics Category_MG 34 Buffer & Butt Stock Australia's history of issues and

Australia's history of issues and manufacture is unique

The overall machine work of the components was improved over the LP28

The main body of the sign also shows a bit of fading to the black areas due to weathering and light exposure

It also shares the early design "unbridled" lock

Original U.S. WWII Navy 7x50 Mark 21 Unissued SARD Binoculars by Square D - Bureau of Aeronautics Category_MG 34 Buffer & Butt Stock Australia's history of issues andOriginal Item: Only One Available. This is a very good 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