I ran across this book in my archival work this afternoon -- just gaze upon its wonder:
and the back cover:
It's a book from the early 1940s, designed for young boys who are interested in airplanes and engineering. And it's awesome. My favorite part is the A, B, C fingers. Now, that's the way to learn about aero-engine theory.
1 comment:
Group Captain Coats is one of my favoite Group Captains.
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