American Trench Periscopes
(America’s Munitions, 1919)
The U.S Army only ordered two types of trench periscopes during the war. The first kind was a simple wooden box, painted a lovely shade of olive drab and measuring two inches square and 15 inches in length with two inclined mirrors set at both ends (pictured). This type was manufactured by two companies and well over 100,000 were produced.
The second variety was a mirror that was designed to fixed to the end of a bayonet, a total of 100,000 of these were delivered before the end of July, 1918 and 50,000 additional ones before November.
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