Stalling Speed Signal Assembly, Type D-3, WWII US Army Air Force, 1942 Victor This is a front left

This is a front left auxiliary cockpit window installed in some G-model B-17's

5 inches long

drop center

The compass card floats freely

It has the "YEW" symbol of the Yokogawa Electric company on the back of the case

Stalling Speed Signal Assembly, Type D-3, WWII US Army Air Force, 1942 Victor This is a front leftHere is a fine example of a WWII era Stalling Speed Signal Assembly, US Army Air Force Type D 3, made by US Gauge, part number AW SS 1 C. It has a serial number prefix of AF 42, indicative of a 1942 manufacturing date. It comes with an original Handbook of Instructions and Parts Catalog dated May 15, 1942 (12 pages printed front back). The module was used in training versions of pursuit aircraft with instrument flying hoods installed, such as the P