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37 results filtered with: Jefferys, Thomas, -1771
  • A mine: cross-section of a machine for extracting water from the pit and three optical diagrams. Etching by T. Jefferys.
  • Surgical instruments for trepanning. Engraving with etching by T. Jefferys.
  • Metals: a furnace and various implements used in smithing. Engraving by T. Jefferys.
  • Inventions: various items including a fountain-pen, a pendulum, and a pantograph. Engraving by T. Jeffrys.
  • Engineering: three kinds of lathe. Engraving by T. Jefferys.
  • A surgeon and two assistants manipulating a dislocated shoulder joint back into the correct position. Etching by T. Jefferys.
  • Human skeleton and bones: ten figures. Engraving by T. Jefferys, ca. 1763.