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parchment cleansing
Значение термина parchment cleansing в knolik
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.
Рядом со словом parchment cleansing в knolik
| paintings cleansing | В начало буква "" буквосочетание "" | pearls cleansing |
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