Absolutely right on motive. Gelatine silver = ordinary photo plus we are
charging a few hundred dollars extra.
The terms 'gelatine paper','gelatine emusions', 'gelatine plates',
'gelatino-bromide paper', 'gelatino-chloride paper' etc were all in use
early in the century to distinguish this materials from the other
processes in common use. Not that I was around then, but my my most
useful photographic book, Cassell's Encyclopaedia of Photography was.
Peter Marshall
petermarshall@cix.compulink.co.uk