Airspeed Indicator, Sensitive, 700MPH, Type AN5862-W2, US Army Air Force, WWII F3D Skyknight very early indeed

very early indeed

75 inches to its height

which is designated by a vertical dash on this one and by a small aircraft silhouette on the I-65)

5 x 7 x 1 inch device included the flight computer on the face with a rotating card for determining the critical factors impacting the planned flight

representing the direction and distance the air has moved during the elapsed time

Airspeed Indicator, Sensitive, 700MPH, Type AN5862-W2, US Army Air Force, WWII F3D Skyknight very early indeedThe Army Type AN5862 Airspeed Indicator (also called type F 1A) was used across a number of US Army Air Corps and Air Force aircraft during WWII, including heavy bombers B 17, B 24, B 29, medium bombers B 25 and B 26, as well as light bomber A 20, according to the Accessories Interchangeability Chart dated Feb 1945. It was also used in versions of US Army Air Force WWII fighters P 38, P 39, P 40, P 47, and P 51. This F 1A was made by Kollsman, part