Air Navigation Computer MB-4A, Dead Reckoning, with Dietzgen Divider
$20.00
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Here 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.
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