Instrument Flying, Technique in Weather, USAAF WWII AR-234 Here is a main tank

Here is a main tank Fuel Quantity Indicator as used in a US Navy aircraft as evidenced by the yellow USN anchor symbol stamped on its side

This is a Field Manual for the Identification of Japanese Aircraft published for US Military Intelligence by the War Department in March 1942

The pointer does rotate Measures ~5

but could likely be refilled

which has some watermarks

Instrument Flying, Technique in Weather, USAAF WWII AR-234 Here is a main tankThis is an original WWII era pilots instruction manual covering instrument flying Technique in Weather, TO 30 100D 1 dated Jan 1944, 73 pages. It is in good condition given its age.