516 Mr. A. W. Warrington on 



F. Table I. — Weight of Hydrometer. 



Date. 





VII. 21. 



'97. 



X. 4. 



'97. 



X. 6. 



'97. 



X. 10. 



'97. 



III. 21. 



'98. 



III. 21. 



'98. 



III. 24. 



'98. 



III. 24. 



'98. 



III. 27. 



'98. 



Observed 





Bar. 



Weight of 



Temp. 



reduced 



Hydrometer. 





to 0°. 



160 04496 



20-8 



755-1 



3645 



138 



771-8 



3694 



13-9 



771-0 



3745 



13-2 



764-5 



3663 



135 



767-5 



3764 



14-6 



766-5 



3794 



12-35 



760-3 



3766 



11-25 



761-0 



3845 



90 



749 6 



Weight of 

 1 cc. of 

 dry air. 



0001193 

 1250 

 1248 

 1241 

 1245 

 1238 

 1238 

 1244 

 1235 



Correction 

 to reduce 

 to vacuo. 



+0-17050 

 871 

 841 

 742 

 801 

 698 

 698 

 787 

 657 



Mean. 



Corrected 



Weight. 



16021546 

 516 

 535 

 487 

 464 

 462 

 492 

 553 

 502 



160-21506 



G. Table II. — Specific Gravity of Platinum. 











Volume of 





Specific 



Grav ity 



of the 



Platinum. 



Weight in 

 Air. 



Weight in 

 Water. 



Loss of 



Weight in 



Water. 



Specific 



Gravity of 



Water. 



Platinum 

 referred to 



volume at 

 0° as unity. 



Weight of 

 1 c. c. of 

 Dry Air. 



22-96130 



21-89286 



1-06844 



09987 



1-00047 



0-001219 



21-448 



19-17824 



18-28715 



0-89109 



77 



60 



9 



61 



10-58849 



10-09611 



0-49238 



77 



60 



9 



43 



22-9614 



21-8934 



1-0680 



85 



51 



8 



53 



19-1787 



18-2867 



0-8920 



85 



51 



8 



50 



8-5904 



8-2811 



03988 



85 



51 



8 

 Mean 



45 



21-450 



J. Data for the Determination of the Specific Gravity 

 of Quartz. 



Table IV. — Determination of P. 



Date. 



Temperature 



P (not reduced 

 to vacuo). 



P calc. from 

 formula. 



d. 



VIII. 13. '98. 

 VIII. 18. '98. 

 VIII. 23. '98. 



VIII. 27. '98. 



IX. 1. '98. 



24-273 

 •450 

 •570 

 •583 

 •212 



9942085 

 •41503 

 •41127 

 •41103 

 •42354 



99-42116 

 •41526 

 •41127 

 •41083 

 •42320 



-000031 



23 







+ 20 



4- 34 





P = 100-23000 



-00333224 £±0-00009. 





