guished the emulsion must be put into a bottle into which is already given statistics concerning the manufacture of shadows; they were workmen at work. introduced a third proportion (say 13 or 15 grammes) of Finally, after a quarter of an hour, our eyes got used gelatine. gelatino-bromide plates,… … duction of photographic ma- with. The strips of glass are Fig. l.-APPARATUS FOR COATING GELATINO-BROMIDE PLATES. terials. All professional and placed one after another, and amateur photographers now travel a distance of forty feet, use these. But are there many who know how they and during this the…
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