Pitot Tube, G-2, Air Force US Army WWII 782-02 Hughes but there is still a

but there is still a metal government seal wired into place at 4 o'clock to provide evidence if opened

indicative of a year of manufacture for an aircraft order for the USAF

and those from 200 to 500 are condensed scale markings

Type 98 Direct Co-operation aircraft

Pitot Tube, G-2, Air Force US Army WWII 782-02 Hughes but there is still aThis is an example of the WWII era G 2 Pitot Tube used on US Army Air Force heavy bombers B 29 Superfortress, B 17 Flying Fortress, B 24 (J model) Liberator, medium bomber B 26 (F&G models) Marauder,and fighter P 61 Black Widow (according to the US Army Air Force's Maintenance Interchangeability Chart dated Feb 1945). Pitot Tubes are used to provide impact and static pressures for the operations of various flight instruments. Impact pressure is the