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-   -   Aluminium leaf protection (http://woodenpropeller.com/forumvB/showthread.php?t=2440)

pmdec 12-06-2012 12:06 AM

Aluminium leaf protection
 
Hi,

Did anybody ever heard of this process? Or, better, seen a prop with this protection?

http://i44.servimg.com/u/f44/14/14/01/64/clipbo14.jpg

It is from a pre-1920 book issued by US Dept of Agriculture.

Regards,
PM


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