<P> The gelatin silver process was introduced by Richard Leach Maddox in 1871 with subsequent considerable improvements in sensitivity obtained by Charles Harper Bennett in 1878 . </P>
<P> The gelatin silver process was introduced by Richard Leach Maddox in 1871 with subsequent considerable improvements in sensitivity obtained by Charles Harper Bennett in 1878 . </P>
where did the dry plate ( gelatin-silver ) system originate
where did the dry plate ( gelatin-silver ) system originate
1871
1871