Hydrographic Station Pointer in Wooden Case, Nautical P-63 It has date stamp of

It has date stamp of January 1951 and Boeing tamper evidence seals

The artifact is labeled as a war bring-back as having been extracted from a JU-88

It is about 3/4 inch thick

The US Army Type B-7 Engine Gage Unit was used across a variety of aircraft of the US Army Air Force during WWII

Hydrographic Station Pointer in Wooden Case, Nautical P-63 It has date stamp ofThis Hydrographic Station Pointer was used in coastal navigation to determine the position of a sea going vessel and to chart coastlines. It consists of a fixed arm secured to a brass circle and two movable arms that can be adjusted to angles determined by a sextant. Three arm extensions are in included in the kit. More about how it was used can be found here. Although not specifically labeled, we believe it to have been manufactured by Kelvin and