Rare! U.S. Navy Gun Factory / Optical Annex Shop - Night Glass Binoculars, 3 power. In good, used working condition. Flip binoculars over for day or night use. Drop down night sights. 5- 1/4 " closed, extend to 6-1/4"when fully dialed open. Used by ship major gun mount Captains during the gReat War!
