Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. With Case British Field Gear including the barrel wedge and

including the barrel wedge and loading lever

Upon his return

The grain pattern suggests that these may actually be rosewood

The Ersatzteilkasten (replacement parts case) is plated steel with 3 internal compartments

The assembly has matching numbers: 71

Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. With Case British Field Gear including the barrel wedge andOriginal item: Only One Available. Measuring 27 3 4 inches in length, this is a very nice WWI Era Model 1918 Battery Commanders periscope. In X 6 power, these were used to help view and plot artillery attacks from behind cover, to avoid exposing the commander to danger. The bottom of the periscope still has the manufacturers markings: BATTERY COMMANDERS PERISCOPEX6MODEL 1918M. F. G'D BYWOLLENSAK OPT. CO. ROCHESTER, N. Y. U. S. A. No. 2210R. G. C.