Nick, you are exactly correct! Now, fortunately, I have two reliable sources for repairing Optacons and certain other vintage equipment; that's exciting. For anyone else who wants to get hold of Leo Drell or do business with his company, it looks as though they're still around: http://www.visualaidservices.com/contact_us.htm -Kane To unsubscribe at any time, just send a message to: optacon-l-request@xxxxxxxxxxxxx with the word "unsubscribe" (without the quotes) in the message subject. Tell your friends about the list. They can subscribe by sending a message to: optacon-l-request@xxxxxxxxxxxxx with the word "subscribe" (without the quotes) in the message subject.