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Six objects made from dark brown Bois Durci, c 1860.

Exton, David

Six objects made from dark brown Bois Durci, c 1860.
3 4 c m
actual image size: 32cm x 26cm


Four circular plaques and two furniture plaques, all made in France. Bois Durci (literally translated: 'hardened wood') was patented by Francois Charles Lepage in 1856. It was made from a combination of powdered wood and blood (which Lepage obtained from the Paris slaughterhouses), together with vegetable, mineral or metallic powders. The mixture was heated and stirred until it attained the required consistency, before being moulded in heated moulds to produce the final object. Lepage claimed that his Bois Durci was a substitute for various natural substances, including wood, leather, bone and metal. He established a company which specialised in making desk items such as inkwell stands and plaques from the material.

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© Science Museum / Science & Society Picture Library

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