Original WWI Era U.S. Navy Submarine Compass MkIV No.20 in Brass Housing Flintlock Pistols 71-D-405 Spec

71-D-405  Spec

The blade ricasso is marked with RIA for the Rock Island Arsenal on Arsenal Island near Rock Island Illinois

After the War Ended

but is solid and make a very impressive eye catching display gun

World War I began in 1914 and ended in 1918

Original WWI Era U.S. Navy Submarine Compass MkIV No.20 in Brass Housing Flintlock Pistols 71-D-405 SpecOriginal Item: Only One Available. Here we have a very nice example of an early U. S. Submarine Compass from the WWI Era. Unlike traditional surface warfare, under water there was nothing to guide a vessel except for a compass. These were usually stored in a chest, and placed on gimbal mounts which allowed the housing to tilt freely. The housing on this example looks to be brass or bronze, and has two attachments on the side for mounting into the