Air Navigator's Handbook, US Navy June 1945 Lily Bomber It is in very good

It is in very good condition given its age

It is a combination study guide and prep examination

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

Here is an Flight Helmet made by Gentex

Type 2 Gou

Air Navigator's Handbook, US Navy June 1945 Lily Bomber It is in very goodHere 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.