ing ma- The main machinery room is that in which the chines. principal mechanical operations are performed in the Happily it does not devolve upon us to decide the production of the metal parts of the sewing ma- question of the relative merits of these systems, or chines. This fireproof room is…
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![An illustration from XIXe [i.e. Dix-neuvième] siècle (en France); classes - moeurs - usages - costumes - inventions. Ouvrage illustré d'un front. chromotypographique, de 16 planches coloriées aux patrons, de 36 entetes et lettres ornées et de 487 gravures (dont 24 tirées hors texte) d'après les principaux artistes du siècle (1893)](https://img.insideoutlibrary.com/img/200/ia-xixeiedixneuvi00granuoft-782-589.webp)
