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Images

  • Ventilation of soldiers' quarters. Colour lithograph after A. Games, 1941.
  • Interior of cutting shop, bad ventilation
  • Types of ventilators. Engraving.
  • Ventilators. Engraving by T. Jefferys.
  • Sanitation: ventilated improved pit latrine
  • Ventilated improved pit latrine construction
  • Ventilators. Engraving by W. Lowry, 1817.
  • A condenser, an air-gun and a ventilator. Etching by A. Walker after B. Martin.
  • Scorpions and arachnids: eleven figures, including two examples enclosed in ventilated bottles. Coloured lithograph after J.J. Rifaud, 1830.
  • Pigments: mills for grinding colours, and a man grinding at a muller, with a ventilator hood above. Coloured engraving by J. Pass, 1824.