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<P>In the early 1980s, Heathkit used Centralab rotary switches for some of there band switches. This one has five individual sections, pcb mount, and 12 positions.The outer ring is a gray color, and the center, which rotates, is plastic. The contact material is silver coated and is tarnished. There is no real way to get to the contacts to clean the tarnish off. Does any one have any ideas for cleaning and lubing that have worked for them?</P></DIV>
<P>Al KE6CPS<BR><BR></P></DIV>
<DIV></DIV></div><br clear=all><hr>Chat with friends online, try MSN Messenger: <a href='http://go.msn.com/bql/hmtag1_etl_EN.asp'>Click Here</a><br></html>
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