Collecting Military Binoculars


Wollensak "Biascope" 6 x 23  1920



No serial#

This small Galilean fieldglas was developed by Wollensak, the engineer of Bausch & Lomb in 1920. It's made from brass and painted black. The sliding lever makes it possible to focus this binocular. It was manufactured by Wollensak, Rochester USA.