BY HEAT OF WATEE AND MEECUEY. 



239 



The results of the different weighings are contained in Tables IV., V., VI. (gramme 

 weights, all weighings reduced to vacuum). 



Table IV. — Experiments made Avith a piece of glass rod cut from Rod I. (Series I.) 



Table V. 



-Experiments made with a second piece of glass rod cut from Eod I. 



(Series II.) 



Table VI. — Experiments made with a piece of glass rod cut from Eod II. (Series III.). 



In the first column the corrected temperatures are given ; in the second the numbers 

 express in grammes the loss of weight in Avater, or the difference between the weight 



