Original U.S. WWII & Korean War B-29 Bomber Series Flight Manuals and Guidelines With Load Adjuster Tool - 9 Items Brunswick Rifle an assistant gunner and two

an assistant gunner and two ammunition bearers

so we suspect it may have been hit by some small arms fire

These were originally produced with for a

It still has the original Hopkins & Allen patent address marking nicely marked on top of the frame:

These split rings are rare and have not been available for many years

Original U.S. WWII & Korean War B-29 Bomber Series Flight Manuals and Guidelines With Load Adjuster Tool - 9 Items Brunswick Rifle an assistant gunner and twoOriginal Items: Only One Lot of 9 Available. An aircraft flight manual is a paper book or electronic information set containing information required to operate an aircraft of certain type or particular aircraft of that type (each AFM is tailored for a specific aircraft, though aircraft of the same type naturally have very similar AFMs). The information within an AFM is also referred to as Technical Airworthiness Data (TAWD). A typical flight manual