INDEX. 117 



Reversal, weighing b)', 43. 



" " mechanism for, 38, 97. 



Scale, barometer, correction for, 27, 28. 

 Stopcocks, avoiding use of, 47, 64, 76. 



" preventing leakage through, 47, 66. 



" substitutes for, 71, 78, 84, 87. 



Synthesis of water, method, 96. 

 " " results, 109. 



Temperature, measurement of, 8, 22. 

 Thermometers, 7, 22, 25, 26. 



" calibration of, 7, 25. 



" fixed points of, 25. 



Vacuum, in barometer, 25. 



Volumes of globes, determination of, 8. 



" weighed, correction for difference of, 48. 



Water, correction for weights immersed in, 5. 

 " expansion of, value assumed, 5, 10. 

 " volumetric composition of, method for determining, 83. 



" " " result, 95. 



" synthesis of, apparatus for, 99. , 



" " method for, 96. 



" " sources of error in, 105. 



" " results of, 109. 



Weighing, hydrostatic, of globes, 6, 9. 



" preliminary, of globes, 3. 



Weights, values of, 5. 6, 31. 



" verification of, 5, 30, 73. 



