APPENDIX C. 



339 



FIG. 7. 



FIG. 6. 



7. THE MUSCLE FORCIPS. a. Figure 8 sfcows a fine brass instru- 

 ment with insulated jaws and a binding post. b. A simpler and cheaper 

 form, with cork insulation, and without the binding post, answers all 

 ordinary purposes. 



8. THE DETECTOR, or low resistance galvanometer, is shown in 

 Figure 8. 



8a. THE GALVANOMETER, a, Eblemann's universal; It. Rosenthal's 

 physiological. 



