Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. U.S. Militaria [13] The Austrian cuirassiers traded

[13] The Austrian cuirassiers traded protection for mobility by wearing only the half-cuirass (without back plate) and helmet

as the tension washer is worn

The Granville raid occurred on the night of 8 March 1945 – 9 March 1945 when a German raiding force from the Channel Islands landed in France and brought back supplies and former prisoners of war to their base

It features five button front with 5 brass Imperial Japanese Naval buttons

This example is marked with  40 in a circle

Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. U.S. Militaria [13] The Austrian cuirassiers tradedOriginal 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 PERISCOPE X6 MODEL 1918 M. F. G'D BY WOLLENSAK OPT. CO. ROCHESTER, N. Y. U. S. A. No. 7683 R. G. C.