Gunners Information File USAAF Manual No 20, B-17, B-24, B-25 Royal Navy Type MN-28LB

Type MN-28LB

as used in aircraft of the US Navy such as the SBD Dauntless Dive Bomber

This corrects for the height of the seated pilot by aligning his line of sight with the silhouette and the tilting horizon marking behind it while in level flight

This master unit feeds

outside air temperature

Gunners Information File USAAF Manual No 20, B-17, B-24, B-25 Royal Navy Type MN-28LBThis WWII era bound edition of the US Army Air Force's Gunners Information File consists of several separate WWII era manual publications combined into one hardback volume, dated May 1944. This manual is focused on those gun systems used in B 17, B 24, B 25, and B 26 bombers but is pre B 29 Central Fire Control (so no B 29 specific content) . The first section of describes the operation and maintenance of the . 50 Caliber Browning M2 Aircraft Machine