Description
Original WWI German U Boat Navigational Parallel from UB 50 Surrender Sank HMS Britannia Category_Martini Henry Parts or garrison artillery and consisted or garrison artillery and consisted of heavy large caliber cannon on their equally unwieldy carriages that essentially remained where they had been installed in permanent positions like the brick forts prevalent for seacoast defense The serial number is 74862 denoting the year of manufacture as 1881