There are "you purchase em" converters that for about 100 bucks you'll be able to copy the slide and save it to your computer, or burn it to a disk. Pretty kewl, relatively inexpensive (when you think on the individual slide cost at Cosco), and when you find more old slides, or your fishing buddies do, you'll have the converter handy!
Trouts don't live in ugly places.
A friend is not who knows you the longest, but the one who came and never left your side.
Don't look back, we ain't goin' that way.