Military Optical Sighting Instrument
Own a rare piece of military history! Originally used with a tripod and either long range binoculars or weapons were attached and zeroed in with the aid of this instrument. Still has original military Olive Green paint with many moving and swivel parts. Lots of control knobs and adjustment scales and a bubble glass level. Used condition. Measures 4"L x 5"W x 7½"H. Weighs 3.82 lbs.