Keywords: Life in Motion Fig 58.png en Fig 58 ”Diagram showing the arrangement of the apparatus m the demonstration of the heat of muscular contraction a case with sides of thick plate glass; b b thermal piles; b galvanometer element; d key; e primary and f secondary coil The contents of the glass case are seen on a large scale in next figure The galvanometer has a low resistance Life in Motion or Muscle and Nervehttps //archive org/details/b21929786 John Gray McKendrick 1892 1926 Life in Motion book Electrical measurement instruments |