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Old 04-19-2019, 09:09 AM   #21
Bob Gardner
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Join Date: Jan 2006
Location: The North of England
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And, having finished my books on British and German WW1 aircraft propellers, I often think of writing biographies on some of the early German aviation scientists, whose books I own: Professor Reissner of Aachen University, Professor Ludwig Prandtl, Helmut Hirth. And also of some of the many propeller makers; Lucien Chauviere, Heine, Wolff etc, but right now I an going out to photograph birds.

With kind regards,

Bob
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Bob Gardner
Author; WW1 British Propellers, WWI German Propellers
http://www.aeroclocks.com
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