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Lot 404: World War I trench periscope, field green body with eyepiece and extending
12 November 2016
Stowmarket, United KingdomLive Auction
Description: World War I trench periscope, field green body with eyepiece and extending prismatic objective, marked “Periscope No 25 (x6 Ø 7°) R & J Beck Ltd, 1916 No 1091”, in its fitted brown leather case with wooden screw in extension handle