Air Navigator's Handbook, US Navy June 1945 Lily Bomber The stem of the target

The stem of the target sizing knob is slightly bent making it stiff to turn

The knurled rim around the glass lens can be rotated (this one is a bit stiff)

Here is an Flight Helmet made by Gentex

It is our judgement that this is not a reproduction

Air Navigator's Handbook, US Navy June 1945 Lily Bomber The stem of the targetHere is an original Air Navigator's Handbook for US Naval Air Navigators published in 1945. This 7 x 5 inch, 1 2 inch thick pocketbook is full of information required by air navigators to fulfill their responsibilities. This 6 ring handbook appears to never have been used or issued. The cover and all page are in near mint condition.