The treatment of paper for special purposes : a practical introduction to the preparation of paper products for a great variety of purposes such as parchment paper, transfer papers, preservative papers, grained transfer papers, fireproof and antifalsification papers, polishing papers, tracing and copying papers, chalk and litho transfer papers, leather papers, luminous papers, tortoiseshell and ivory papers, metal papers, coloured papers, etc. etc., and paper articles (1907)
Andés, Louis Edgar, 1848-1925 · London : Scott, Greenwood & Son ; New York : D. Van Nostrand · leaf 195
Papers for Cleaning and Polishing 171 the cylinders recharged, these operations being repeated until enough powder has been accumulated for the next process, that of sifting. When the glass is crushed in a mortar, the powder is sifted by passing it over a number of screens of different mesh,… … Fig. 23. — Stamp mill for pounding glass. the men engaged, not merely in the sifting room, but also in all other parts of the building that are not hermetically shut off from that room. The fine glass dust remains suspended in the air for a long time, and being drawn into the lungs in breathing may…
Paper · Papermaking
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