Air Navigator's Handbook, US Navy June 1945 Lily Bomber It is a combination study

It is a combination study guide and prep examination

the soldiers and officers of the Armed Forces of the Committee for the Liberation of the Peoples of Russia

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

The kit includes the plotter (a protractor with base)

Air Navigator's Handbook, US Navy June 1945 Lily Bomber It is a combination studyHere 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.