Air Navigation Computer MB-4A, Dead Reckoning, with Dietzgen Divider Regia Aeronautica dated November 1962 with updates

dated November 1962 with updates as of April 1966

it is in exceptional condition for its age

The label stating TURN PUMP OFF AT 2000

but it is fully intact

made by Minneapolis-Honeywell

Air Navigation Computer MB-4A, Dead Reckoning, with Dietzgen Divider Regia Aeronautica dated November 1962 with updatesHere is an Air Navigation Computer as used by US Air Force navigators from 1940 ~1980 for dead reckoning navigation. This one appears to be from the 1950's. Included with the computer is a 14 inch Plotter Type PLU 1 C, and a Dietzgen Divider in an aluminum tube, for measuring and repeating distances on a map. Computer measures ~5. 5 inches wide and ~12 inches long in its case.