This is probably excessively crazy, but does anyone
think it would be a
 Good Idea to start a business catering specifically to the needs of people
 who use old stuff like this?  How much of a market is there? 
Not yet - there is still a good supply of rolls on the surplus market.
Maybe the odd sizes, like for Kleinschmidts...
William Donzelli
aw288 at 
osfn.org