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  • Processing of iron. Engraving.
  • Processing of mercury. Etching.
  • Processing of bismuth. Etching.
  • Processing of alum. Etching, 1769.
  • Processing of bismuth. Etching by Bénard.
  • Processing language, left brain hemisphere (sagittal view)
  • Processing of iron. Etching by Bénard after L.J. Goussier.
  • Processing of sulphur. Etching by Bénard after L.J. Goussier.
  • Processing of copper. Etching by Bénard after L.J. Goussier.
  • Processing of alum. Etching by Bénard after L. J. Goussier.
  • Processing of mercury. Etching by Bénard after L.J. Goussier.
  • Processing of zinc. Etching by Bénard after L.J. Goussier.
  • Processing of copper. Etching by Bénard after L.J. Goussier.
  • Food processing: pounding yam
  • Food processing: threshing cereals
  • Processing of pewter, moulds used and final product. Etching by Bénard after Lucotte.
  • Processing of copper in Chile. Lithograph by G. Scharf, 1824, after P. Schmidtmeyer.
  • Furnace used in processing arsenic. Etching.
  • Processing of gunpowder and section of the apparatus used. Etching by Bénard after L.J. Goussier.
  • Processing of sulphuric acid and section of a chimney used. Etching by Bénard after L.J. Goussier.
  • A furnace used in the processing of iron. Engraving.
  • Textiles: equipment for processing flax. Engraving by A. Bell.
  • Machines: a steel processing furnace at Paris. Engraving, c.1861.
  • Sections of a furnace used in the processing of copper. Engraving.
  • Sections of a furnace used in the processing of copper. Engraving.
  • Elevation of a kiln used in the processing of potash. Etching.
  • Agriculture: men gathering insects from cactus plants, then processing them. Engraving.
  • Sections of a furnace used in the processing of copper. Engraving.
  • Utensils used in the processing of lead. Etching by Bénard after Lucotte.
  • Instruments used in the processing of gunpowder. Etching by Bénard after L.J. Goussier.