Airspeed Indicator, Sensitive, 700MPH, Type AN5862-W2, US Army Air Force, WWII F3D Skyknight when encountering turbulent motion which

when encountering turbulent motion which could tumble the gyro

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

indicating the quantity of oil in each from 0 to 85 gallons

and one adjustment knob

Airspeed Indicator, Sensitive, 700MPH, Type AN5862-W2, US Army Air Force, WWII F3D Skyknight when encountering turbulent motion whichThe 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