Hassenfratz, J. H.
1812 La Sidérotechnie, ou L'Art de Traiter les Minérais de Fer en Obtenir de la
Fonte, du Fer, ou de L'acier. Chez Firmin Didot, Imprimeur de L'Institut,
Libraire, Paris.
has a number of drawings of various types of blowing engines. Plate 25 is
primarily bellows, Plate 24 trompes, and Plate 26 blowing tubs. There are also
extensive drawings of the wheels and machinery that power the devices.
Jamie Brothers
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