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October 2005

2005.10.21

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Leather in Pneumatic Valves
By Bruce Clark

[ In 051020 MMDigest, Don Teach wrote, "The greenish residue found
 [ on valves is verdigris."

A problem with this was discovered in 1963, and so I cleaned the brass
valve seats and lacquered them using some of my mother's clear nail
polish.  I inspected the same valves in 2003 and the brass is corrosion
free and looks fine.

Bruce Clark

(Message sent Fri 21 Oct 2005, 14:46:58 GMT, from time zone GMT-0700.)

Key Words in Subject: Leather, Pneumatic, Valves

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