Keywords: Life in Motion Fig 70.png en Fig 70 ”Arrangement to show Matteucci's induced contraction A muscle the nerve of which is placed on B ; G galvanic element; K key; P primary and S secondary coil of induction machine Life in Motion or Muscle and Nervehttps //archive org/details/b21929786 John Gray McKendrick 1892 1926 Life in Motion book Galvanism |