parchment cleansing

parchment cleansing defined in 1909 year

parchment cleansing - Parchment cleansing;
parchment cleansing - Immerse the parchment in a solution of acetic acid, and gently rub the stained parts while wet on a flat board with lump pumice, then bleach it with chloride of lime. This process was recommended in the 'English Mechanic.' It is not very successful, but it makes it white enough for bookbinding. It has, however, the objectionable qualities of not making the parchment flexible, and when dried it is as hard as a board, and it has no gloss like the virgin parchment. On no account must the parchment be washed in very hot water, or held before a fire, as it will shrivel up in a most provoking manner.

near parchment cleansing in Knolik

letter "P"
start from "PA"

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