92 Messrs. Hinshelwood and Hartley on the Probability of 



Table I. 



Salol. 70 tubes. 16 experiments were made, o£ which 

 the following are typical. The experiments are numbered 

 in the order in which they were carried out : — 



M.P. of Salol = 42°-5. 



1. Melted at 60°. Temp, 

 of thermostat 32° -3. 



Time 



Number of 



in hours. 



crystallizations 



o-i 



21 



0-2 



29 



0-3 



32 



0-5 



35 



1-3 



40 



5-0 



35 



8-0 ' 



37 



23 



62 



3 Melted at 75°, allowed most to 

 crystallize, and melted again 

 at 57°. Thermostat, 32° -3. 



Time 



Number of 



in hours. 



crystallizations 



0-5 



19 



2-5 



29 



15 



38 



22 



42 



39 



48 



Time 



Number of 



in hours. 



crystallizations 



0-5 



16 



1-0 



19 



5 



29 



19 



30 



43 



34 



67 



40 



100 



44 



140 



49 



. 165 



50 



212 



52 



236 



55 



260 



57 



5- All tubes except one made to 

 crystallize. Then melted at 

 49°-50°. Temp, of thermo- 

 stat, 32°-3. 



2- Melted at about 65°. Temp, of 

 thermostat, 32° -3. 



Time 



Number of 



in hours. 



crystallization 



o-i 



26 



0-3 



34 



0-5 



36 



2-5 



37 



7-8 



44 



10-5 



46 



23 



55 



33 



61 



Heated to 85°. Temp, 

 thermostat, 32°-3. 



of 



Time 



Number of 



in hours. 



crystallizations. 



0-5 



12 



2-0 



24 



15 



30 



47 



34 



72 



39 



136 



45 



158 



50 



208 



55 



279 



59 



6. Melted 



agam at 50°. 



Thermostat, 36° "5. 



Time 



Number of 



in hours. 



crystallizations 



5 



18 



21 



24 



125 



27 



216 



29 



305 



33 



453 



35 



