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Lot n° 966

Alfred HALLOPPEAU ingénieur métallurgiste - PARIS...

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Alfred HALLOPPEAU ingénieur métallurgiste - PARIS imprimerie nationale 1890. "CONFERENCES de l'EXPOSITION UNIVERSELLE INTERNATIONALE de 1889". "L'ETAT de la METALLURGIE 1789/1889 - LE MAITRE de FORGES". 59 pages and plates - The blast furnace with wooden bellows, the forge, the wire-drawing mill with water wheel, repair of anvils by the travelling blacksmith, flying foundry, lost-wax casting, refining of cast iron, etc....