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Old 03-13-2018, 04:49 PM   #9
Bob Gardner
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Join Date: Jan 2006
Location: The North of England
Posts: 1,636
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Mmm!

Intriguing.

We need the measurement Vasek!

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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