Boresight Telescope Mark VIII Mod 6 BOAC

Boresight Telescope Mark VIII Mod 6 BOACDesigned for naval ordnance, this Boresight Telescope, made by Spencer Lens Co., was used to align the bore of a naval gun to its distally mounted gunsight along the specified firing range. The telescope was positioned within the bore of the gun during the sighting procedure, to align the line of firing with the line of the gunsight, intersecting them along the specified firing range. Used for sighting 3" 50 guns. The case measures 12. 5 inches long,

According to the RAAF 346 Types and Locations of Instruments in RAAF dated 1945

Commonly used in the Junkers Ju-52

part number 1559-010130

The instrument looks terrific and would make a wonderful display piece

made by Waltham Watch Co

see photo of cockpit with one of these selectors appearing in front of the pilot and one in front of the co-pilot

This Soviet/Russian aircraft instrument appears to be for setting an airspeed between 70-220 kilometers per hour

and ~16 inches by 8 inches x 1/4 inch thick when opened

using a 10

25 inches diameter by 5 inches deep

probably for a weight balancing system prior to this being an automatic process

The AAU 19A/A altimeter is a standard 3 inch counter-drum-pointer altimeter which provides two modes of operation -- servoed (reset) mode and standby mode