Bark mill

Overshot waterwheel at Combe House Hotel in Holford, Somerset, England. It was used to grind oak bark for the tannery complex established here in the 1840s. When the tannery closed in 1900 the waterwheel was adapted to other uses such as grinding grain for grist, cutting chaff, chopping apples for the cider press and generating electricity. It also cracked stones in a nearby quarry.

Peeling bark for the tannery in Prattsville, New York, during the 1840s, when it was the largest in the world.

Bark mills were used to grinding or cutting the roots, branches, or barks of different species of trees, to form a fine powder (tanbark) suitable for the operations of the tanner in the preparation of leather for clothes, boots, furniture, etc. The powdered wood more quickly yields up the tannin required for the tanning process. The dried bark was often stored in bark houses.

单词	Bark mill
释义	Bark mill 英语百科 Bark mill Bark mills were used to grinding or cutting the roots, branches, or barks of different species of trees, to form a fine powder (tanbark) suitable for the operations of the tanner in the preparation of leather for clothes, boots, furniture, etc. The powdered wood more quickly yields up the tannin required for the tanning process. The dried bark was often stored in bark houses.
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