Original U.S. WWII Navy Mark II-C Drift Sight by Kollsman Instrument in Original Crate Brunswick Guns The helmet was later updated

The helmet was later updated with swivel bales which began appearing on helmets in early 1944

By the time of the American Civil War (1861-1865)

5 inches wide fastened with wrapping to a 30 long wooden shaft

This Model was widely used in the U

when pay went up to $50 a month for a private

Original U.S. WWII Navy Mark II-C Drift Sight by Kollsman Instrument in Original Crate Brunswick Guns The helmet was later updatedOriginal Item. Only One Available. This is a great WWII USN Drift sight in its original wooden crate. This example is missing the compass base and the battery but is otherwise in great condition. The original data plate on the sight reads: HEAD, OPTICAL, AND POST MARK II C PELORUS DRIFT SIGHT BU. AERO, U. S. NAVY F. S. S. C. NO. 88 H 175 CONTRACT NUMBER 87272 SERIAL NO. 308 KOLLSMAN INSTRUMENT DIVISION OF SQUARE D COMPANY ELMHURST NEW YORK The sight