THE CHANGE IN FORM 369 



cells. Wires. Muscle clamp. Fine copper wire. One 

 hundred ten-gram weights. Muscle lever. Electro-mag- 

 netic signal. Kymograph. Tuning fork. Cork clamp. 

 Four needle electrodes. Pole-changer. Pin. Cork. Two 

 stands with clamps. Ten one-gram weights. Muscle- 

 warmer. Split shot. Ice. One per cent solution of 

 veratrine acetate. Wheel-interrupter. Vibrating reed. 

 Straw 36 cm. long with platinum contact. Mercury cup. 

 Rigid muscle lever. Spring ergograph with rod. Hand 

 clamp. Ergograph clamp. Large weight pan. Cotton. 

 Two bent hooks. Heart-holder. Filter paper. Simple 

 key. Work adder. Co-ordinate paper. Rubber band. 

 Metronome. 



