Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Antique Guns This is an excellent example

This is an excellent example of a rare MARS 115 pellet gun

Aluminum fin assembly exhibits proof and inspection stamps

Louisiana in April 1942

but we can still see the faint CROWN / V “viewed” and CROWN / GP markings of the London Proof House

USS Arizona was the second and last of the Pennsylvania class of "super-dreadnought" battleships built for the United States Navy in the mid-1910s

Original U.S. WWI X7.5 Model 1918 Trench Periscope by Wollensak Optical Co. With Leather Case Antique Guns This is an excellent exampleOriginal item: Only One Available. Measuring 19 inches in length, this is a very nice WWI Era Model 1918 Battery Commanders periscope. In X 7. 5 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: TRENCH PERISCOPE NO. 10 X7. 5 MODEL 1918 M. F. G'D BY WOLLENSAK OPT. CO. ROCHESTER, N. Y. U. S. A. No. 8356 R. G. C.