Has anyone ever seen this before? This is the second time that I have come across this.

https://i1208.photobucket.com/albums/cc361/loumaffei/551%20KSU/P1010148.jpg

https://i1208.photobucket.com/albums/cc361/loumaffei/551%20KSU/P1010150.jpg

I don't know where the leakage came from other than possibly what I believe to be a mercury-wetted relay on the component side of the card.

This card was stored in a box in my workshop for about 5 years. When I opened it up this is what I found. Oddly enough the card still works.

Lou