Original U.S. WWI Wooden Trench Periscope U.S. Field Gear so it definitely did see

so it definitely did see use after conversion

was established in 1935 as Hawaii's principal army airfield and bomber base

and the rear sight correctly goes up to 3200 arschini

The front and rear visor stitching is slightly loose

Original U.S. WWI Wooden Trench Periscope U.S. Field Gear so it definitely did seeOriginal Item: Only One Available. This is an original trench periscope from World War I, which was a life saving essential during trench warfare. It remains in good original condition, with most of its olive drab green paint still intact. The periscope includes its original adjustable leg and belt clip. The periscope utilizes two opposing glass mirrors, one on top and one on the bottom, held in a wooden case that is secured together by twisted wire.