156 



COMPARISONS OF RESPIRATORY EXCHANGE. 



Table 23. — Respiratory exchange in comparison experiments with the Tissot apparatus and the 

 Benedict respiration apparatus {spirometer unit). {Without food.) — Continued. 



Subject, date, method, 

 and time. 



B *» 



2 * 

 ns a 



flfl 



fi — > _ 



5 • ft 



o 



J. 5. T. 

 June 10, 1912: 



Spirometer unit: 



8 h 53 m a. m 



9 13 a. m 



10 00 a. m 



10 41 a. m 



Average 



Tissot: 



9 h 40" a. m 



10 22 a. m 



11 01 a. m 

 Average 



June 12, 1912: 



Tissot: 



8 h 47m a , m 



9 12 a. m 



9 35 a. m 



Average 



Spirometer unit: 



9 h 5&» a. m 



10 15 a. m 



10 36 a. m 



10 56 a. m 



Average 



June 21, 1912: 



Spirometer unit: 

 8 h 44 m a. m 

 9 07 a. m 



10 01 a. m 



11 00 a. m 

 Average 



Tissot: 



9 h 36 m a. m 



10 35 a. m 



11 21 a. m 

 Average 



c.c. 



222 



223 



239 



230 



198 

 193 



178 

 190 



187 

 191 

 193 

 190 



211 



179 

 186 

 190 

 192 



184 

 183 

 194 



188 

 187 



194 

 191 

 198 

 194 



03 ft 

 «■> <u » 



£ m a 



MuR 



C.C. 



244 

 257 

 250 

 251 

 251 



265 

 257 

 257 



245 

 251 

 247 



242 

 250 

 243 

 250 



239 

 245 

 239 

 242 

 241 



243 

 241 

 253 



ft 3 

 oq o 1 



0.910 

 .870 

 .955 

 .915 

 .910 



.750 

 .750 

 .690 

 .730 



.765 

 .760 



.785 

 .770 



.870 

 .715 

 .765 

 .760 

 .780 



.770 

 .745 

 .810 

 .775 

 .775 



.800 

 .795 



.785 

 .790 



62.0 

 61.0 

 56.0 

 60.5 

 60.0 



57.5 

 58.0 

 65.5 

 60.5 



61.0 

 59.0 

 59.0 

 59.5 



57.5 



58.0 

 60.5 

 60.0 

 59.0 



63.0 

 61.0 

 59.0 

 61.5 

 61.0 



63.0 

 65.5 

 66.5 

 65.0 



8.5 



9.9 



10.1 



8.7 

 9.8 



12.9 

 13.9 



12.8 

 13.2 



12.9 

 13.2 

 11.6 

 12.6 



9.2 



9.0 



8.2 



10.2 



9.2 



11.0 

 11.4 



14.8 

 14.8 

 13.0 



14.3 



14.2 

 14.3 

 14.3 



a 



3 T3 



.2 i 



liters. 

 5.01 

 5.17 

 5.94 

 5.44 

 5.35 



4.60 

 4.59 

 4.25 



4-48 



4.18 

 4.22 

 4.14 

 4. 18 



4.78 

 3.91 

 3.88 

 4.14 

 4. 18 



4.25 

 4.20 

 4.53 



4.77 

 4-44 



4.45 



4.46 

 4.52 

 4-48 



c.c. 

 708 

 626 

 706 

 752 



419 

 388 

 395 

 401 



386 

 386 



428 

 400 



633 

 530 



578 

 496 

 559 



468 

 446 

 371 

 390 

 419 



374 

 376 

 374 

 375 



Composition of 

 expired air. 



Carbon 

 dioxide. 



Oxygen 



p. ct. 



4.34 

 4.22 

 4.22 

 4.26 



4.49 

 4.57 

 4.70 

 4.59 



4.40 

 4.32 

 4.41 



4.38 



p. ct. 



15.49 

 15.65 

 15.28 

 15.47 



15.39 

 15.27 

 15.25 

 15.30 



15.71 

 15.76 

 15.60 

 15.69 



J. W. P. 

 June 14, 1912: 

 Tissot: 



8 h 51 m a. m 



9 38 a. m 



10 00 a. m 



Average 



Spirometer unit : 



IQh 34m a> m 



10 55 a. m 



11 17 a. m 

 11 38 a. m 



Average 



214 

 225 

 211 

 217 



208 

 197 

 197 

 198 



200 



268 

 254 

 243 

 255 



248 



.800 

 .885 

 .870 

 .850 



.840 



252 

 251 



250 



.780 

 .790 

 .800 



69.0 

 66.0 

 63.5 

 66.0 



65.0 

 66.0 

 69.5 

 67.5 

 67.0 



17 A 

 15.3 

 13.8 

 15.5 



14.3 



15.7 

 15.5 

 14.9 

 15.1 



5.91 

 5.94 

 5.36 

 5.74 



5.78 

 5.63 

 5.60 

 5.61 

 5.66 



403 

 466 

 461 

 443 



489 

 434 

 437 

 455 



454 



3.66 

 3.83 

 3.99 



3.83 



16.59 

 16.79 

 16.54 

 16.64 



