Joyce Brite asks about making crumpled rolls playable.  Joyce, if the
rolls are crumpled and not torn, ironing them will improve things a
lot.  I lay out a section of crumpled roll on top of 10 to 20 sheets of
newspaper (all on a flat table that won't be damaged by moderate
heat).  Try to avoid the crease in the centre of the sheets of
newspaper - my recollection of the huge size of U.S. papers suggests
that shouldn't be too difficult.  The point of the newspaper is that it
releases some steam when it is heated, and this seems to help.  For a
really bad crease, try applying water along its length with an artist's
brush and then iron it off immediately.  A moderate setting on your
iron should work but, please, do some practising on unimportant
crumpled-up paper first!

If the rolls are torn as well, iron them first and then repair them
with Filmoplat P paper conservation tape.  There was a lot of
discussion about that in the Digest a few weeks ago.  Good luck, John
Phillips.