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8 résultats pour : mechanization

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Pounding rags to be made into paper
ARP15A06_020

Pounding rags to be made into paper

Washing rags before making them into paper
ARP15A06_019

Washing rags before making them into paper

Making paper by hand
ARP15A06_033

Making paper by hand

Paper making: bleaching rag pulp
ARP15A06_021

Paper making: bleaching rag pulp

Bartram's method for cotinuous paper making from tank of pulp at left
ARP15A06_022

Bartram's method for cotinuous paper making from t...

Photograph from the 'Great Leap Forward' Campaign
ARP17A14_121

Photograph from the 'Great Leap Forward' Campaign

Threshing corn using a horse pulling a sledge
ARP07112_010033C

Threshing corn using a horse pulling a sledge

Spinning cotton with self-acting mules of type devised by Richard Roberts
ARP07097_390002520

Spinning cotton with self-acting mules of type dev...