Charta emporetica

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In pharmacy, etc., charta emporetica was a kind of paper made very soft and porous, used as a filter. It was also used as packing paper.

 This article incorporates text from a publication now in the public domainChambers, Ephraim, ed. (1728). "article name needed". Cyclopædia, or an Universal Dictionary of Arts and Sciences (first ed.). James and John Knapton, et al.