Airspeed Indicator, 430 Knots, R88-I-350-25 A-35 Vengeance dated 1945 (see document under

dated 1945 (see document under Downloads):

a parachute is permanently attached to the bags contain­ing radio set SCR-578-A

Here is a British Altimeter (Height Indicator) Mk XIIIC Ref 6A/445 as used in RAF aircraft during WWII with a maximum altitude of 30

part number 1828-1-A

How it might have been affixed to the case or to the timepiece is not obvious to us

Airspeed Indicator, 430 Knots, R88-I-350-25 A-35 Vengeance dated 1945 (see document underHere is an Air Speed Indicator as used in WWII era and post WWII era aircraft of the US Navy such as the F4U Corsair fighter (see illustration of the F4U instrument panel from its flight manual dated 1944 showing its location). It was also used in USN Fighters F6F Hellcat and F7F Tigercat, as well as Torpedo Bomber TBM Avenger and patrol bombers PBY 5 Catalina and PBM 5 Mariner, among others. On this style of air speed indicator, speed between 0 200