368 



'RESPIRATION' OF EXCISED MUSCLES. 



[BOOK i. 



at zero. The cubic contents of the cylinder and proximal limb of the gauge 

 now =(v p}. And let h f be the height of mercury which must be 



FIG. 58. APPARATUS FOR DEMONSTRATING THE RESPIRATORY EXCHANGES or LIVING 

 MUSCLE. (VALENTIN.) 



introduced into the distal limb of the gauge to reduce the new volu 

 (v p) by the same volume /n; i.e. to raise the proximal mercury again 

 from q to o. 





