F.232 Data Sheet MJS-p-0403

K&E, Aerial Dead Reckoning Computer, 1938-1941

Serial Number or Date Stamp:

Country: USA Primary construction material: Al Case included?: yes

General Description: Specialty circular aviation slide rule

Length of 1 decade = 14 in, and overall scale length = 14 in. The largest physical dimension is 6 in.

Front Scales: mi [ min hr ] Temp/Press

Back Scales: true [ wind ]

Notes: Very early E-6B type (Contract No. AC-16046), Dalton-style, with Dalton patent; original red chart slide; worn leather case; U.S. Army Air Corps, WWII

References: JOS 6.2 p32 (1997)

Date Acquired: 11/29/2025