Electrometers, 18th century. Copperplate engraving by Wilson Lowry after John Farey from Abraham Rees' Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, Longman, Hurst, Rees, Orme and Brown, London, 1815.
Electrometers, 18th century. Copperplate engraving by Wilson Lowry after John Farey from Abraham Rees' Cyclopedia or Universal Dictionary of Arts, Sciences and Literature, Longman, Hurst, Rees, Orme and Brown, London, 1815.