> Since then, I think it was
>Mike Ware, suggested that acetone would have done the job better, but I
>haven't had the heart to try again. (Meanwhile, am trying Luis's idea of
>gelatine as the glue, to be removed in hot water, with so far mixed
>results, more to follow when, as & if.)
>
>Also since then, I came across *another* article which detailed the
>laborious process of grit-smoothing, then *waxing* and polishing the zinc
plate so it would release the paper when the time came (omitted in
>earlier mentions), which sounded about as painful as preparing a plate for
>daguerreotype,
Four pins, magic tape, heavy estar film ( or fix thin film to heavy duty
acetate), 140 lb paper and you will not need a substrate to remove your gum
print from !
Most gum printers I know were not even aware of the concept of a substrate. They
had seen Irving Penn's platinums but thought that the metal backing was a sales
gimmick.
Terry King