Rare 100% original technical Manual TM1-413, which is THE manual for ALL major WW2 USAAF Cockpit instruments and gauges of the USAAF during WW2. Covers all of the famous aircraft gauges used in the B-17 bomber and other famous USAAF aircraft, in great detail, with beautiful plates and drawings. Over 225!!! pages of very interesting information and abundant photo's and plates; maintenance, use, drawings and many photo's. I will let the photo's to the talking, this is THE REFERENCE GUIDE for anyone that collects such gauges or is interested in USAAF cockpits during WW2! Great rare item and highly illustrative/useful manual for your WW2 usa collection - a MUST for the US WW2 collector, you dont find this manual easily!