[Tome troisiéme - Tome quatriéme.]
A French technical atlas of machinery plates, likely from the early nineteenth century, held in the Eisenbibliothek Schlatt collection and aimed at engineers and mill builders. Its pictures are precise black-and-white line engravings of presses, rollers, gearing and drive mechanisms, with lettered reference points and dense hatching that a designer could borrow for diagrammatic linework, schematic panels and industrial texture.
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