Schlichte, A: Study of the Changes in Skins During Their Con

Anglický jazyk

Schlichte, A: Study of the Changes in Skins During Their Con

Vydavateľstvo: Forgotten Books
Formát: Paperback
Jazyk: Anglický jazyk
ISBN: 9781334330711

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O knihe

Excerpt from A Study of the Changes in Skins During Their Conversion Into Leather: A Thesis

The use of hides both as skins and leather for protection against cold and rain, for weapons, or for ornaments, dates back to the remotest history of man.

While the hides were tanned in the earlier times with the hair on, methods were soon found to remove it and thus improve the product. The first substance used was probably wood ashes and this continued as the standard for some time. After tanneries were established, for up to this time the tanning was done only on a small scale, new substances were sought for, and lime, one of the oldest depilatory agents, was used. The method followed was to slack the lime in pits and soak the hides in a saturated solution of calcium hydroxide. This method although slightly modified has remained practically the same for centuries.

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