514 Johnston and Adams — Influence of Pressure on the 







Table III. 









Change of Melting Points ivith Pressure. 







Pressure 

 in atmospheres 



Change 

 observed 



of melting point 



calculated 

 Tin 



Difference 



P 



M=t'-230<3l° 



(5e=0-003275 P 



A* 



-6t 



500 



1-59 



1-64 



— 



0-05 



500 



1-65 



1-64 



+ 



01 



750 



2-48 



2-46 



+ 



02 



1000 



3-26 



3-28 



— 



02 



1000 



3-28 



3-28 





00 



1000 



3-35 



3-28 



+ 



07 



1490 



4-86 



4-88 



— 



02 



1995 



6-50 



6-54 



— 



04 



2000 



6-57 



6-55 



+ 



02 



2000 



6*57 

 A«=269'37-f 



6-55 



Bismuth 



<5«=0-003548 P 



+ 



02 



500 



1-66 



1-77 



— 



0-11 



998 



3-66 



354 



+ 



12 



1000 



3-70 



3-55 



+ 



15 



1480 



5-20 



5-25 



— 



05 



1550 



5-33 



5-50 



— 



17 



2010 



7-19 

 At=*'-318-81 



7-12 



Cadmium 



(5i=0-006288 P 



+ 



07 



350 



2-16 



2-20 



— 



0-04 



512 



3-25 



3-22 



+ 



03 



1010 



6-43 



6-35 



+ 



08 



1500 



9-30 



9-43 



— 



13 



1500 



9-33 



9-43 



— 



10 



1515 



9-66 



9-53 



+ 



13 



2000 



12-58 



12-58 





00 



2000 



12-61 

 &t=t -325-35 



12-58 

 Lead 



<5«=0-008026 P 



+ 



03 



150 



1-18 



1-20 



— 



0-02 



250 



2-11 



2-01 



+ 



10 



350 



2-77 



2-81 



— 



04 



500 



3-91 



4-01 



— 



10 



505 



4-08 



4-05 



+ 



03 



770 



6-24 



6-18 



+ 



06 



1000 



8-03 



8-03 





00 



1490 



12-00 



11-96 



+ 



04 



2000 



16-03 



16-05 



— 



02 



calculated values, as may be seen by referring to the fourth 

 column, are on the whole quite small; indeed the deviation 



