Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. Original Display Machine Guns JOHN YORKE

JOHN YORKE

with just a bit of wear and crazing

We are down to fewer than five remaining

The helmet retains the original olive green paint and is complete with a nickel-plated RF (République Française) emblem

We see no evidence that parts swapping occurred

Original U.S. WWI X6 Model 1918 Battery Commanders Periscope by Wollensak Optical Co. Original Display Machine Guns JOHN YORKEOriginal 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. 3750 P. G. C.