This is an aluminum instrument with black finish. The barrels are covered with black leather. The objective lenses are 30 mm diameter. The eye end of the left prism housing is marked “MILITARY STEREO / 6 X 30” and “5409-1942.” That on the right is marked “BAUSCH & LOMB OPTICAL CO. / ROCHESTER, N.Y. U.S.A.” and “DALE BROWN.” Each eyepiece can be focused, and each has a diopter scale. The case is brown leather. A tag in the accession file indicates that this instrument was in the U.S. Naval Observatory repair shop in 1944.
Dale Brown (1893-1960) served with the 145th Infantry, U.S. Army, during World War I, and received a Croix de Guerre from the French government.