As the bulb holders age / corrode and they are cleaned out with wire brush, etc.; they increase in diameter so the bulbs fit loosely. I have wrapped bulbs with a thin strip of brass (see your local hobby shop) to increase the contact pressure.
Carl R. Davis 2823 S. Rocky Hill Road, Galena, Illinois, USA 61036 750E, 750F, 10121, 105.62, 115.01, 115.41S4 -- to be removed from alfa, see http://www.digest.net/bin/digest-subs.cgi or email "unsubscribe alfa" to [email protected]
