Subject: Nitration of paper - the scrolls go into vats of acid and come out as nitro-cellulose. Formerly the paper was torn into inch-square shreds before being impregnated. Using scrolls saves about half-an-hour in filling each vat.
Description: Nitration of paper - the scrolls go into vats of acid and come out as nitro-cellulose. Formerly the paper was torn into inch-square shreds before being impregnated. Using scrolls saves about half-an-hour in filling each vat.
Notes: Extracted from WASC 2270 - for detailed descriptions see back of photographs
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