Garden landscape with inventions of Stephen Hales using a bell jar and pneumatic trough for scientific experiments on plant physiology and transpiration in plants. Stephen Hales, natural philosopher, botanist, chemist and inventor, author of Vegetable Staticks, 1677-1761. Handcoloured copperplate stipple engraving by William Hopwood from Dr. Robert John Thorntons New Illustration of the Sexual System of Carolus von Linnaeus, the Temple of Flora, London, 1800.
Garden landscape with inventions of Stephen Hales using a bell jar and pneumatic trough for scientific experiments on plant physiology and transpiration in plants. Stephen Hales, natural philosopher, botanist, chemist and inventor, author of Vegetable Staticks, 1677-1761. Handcoloured copperplate stipple engraving by William Hopwood from Dr. Robert John Thorntons New Illustration of the Sexual System of Carolus von Linnaeus, the Temple of Flora, London, 1800.