206 



Peckham and Linton — Trinidad Pitch. 



No. 



12. Mean 



a. 

 b. 



13. Mean 



a. 



b. 



14. Mean 



a. 

 b. 



15. Mean 



a. 

 b. 



16. Mean 



17. Mean 



a. 

 b. 



18. Mean 



a. 

 b. 



19. Mean 



a. 

 b. 



20. Mean 



a. 

 b. 



21. Mean 



a. 

 b. 



22. Mean 



a. 

 b. 



23. Mean 



a. 

 b. 



24. Mean 



a. 

 b. 



25. Mean 



a. 

 b. 



26. Mean 



a. 

 b. 



27. Mean 



Petrolene. 



0-000 



19-200 

 19-300 



19-250 



31-800 

 31-750 



31-775 



32-176 

 32-450 



32313 



35-375 

 35-425 



35-400 



34-200 

 34-200 



22-275 

 22-225 



39-350 

 39-300 



34-200 



22-250 



39-325 



38-150 

 38125 



26-925 

 26-925 



34-750 

 34-700 



38-137 



26-925 



34-725 



34-400 

 34-425 



34-412 



33275 

 33-100 



33-187 



34-950 

 34-850 



34-900 



35-600 

 35-125 



35-362 



34-725 

 34-775 



34-750 



Asphaltene. 



33050 

 33-575 



18725 

 18-525 



000 



33-312 



18-625 



43-649 

 43-300 



43-474 



17-475 

 17-600 



18775 



18 820 



22-225 

 22-475 



17-175 

 17-400 



18-750 

 18-921 



25-325 



25-275 



17 537 



18797 



Total 

 Bitumen. 



3-000 



52-562 



50-400 



75-787 



52-987 



52-997 



22-350: 44-600 



17-287 



18-835 



25-300 



18-035 

 18-050 



18-550 

 18-575 



19-325 

 19 700 



16-100 

 16-100 



14-650 

 14-675 



20-175 

 19-625 



,8-042 



18-562 



19-572 



16-100 



14-662 



19-900 



56-612 



56-973 



52-225 



52-767 



52-974 



52-699 



51-000 



50-024 



54-650 



Organic 

 Not Bitumen. 



9-650 

 9-475 



11-925 

 12-355 



5-570 

 5960 



43537 



9-562 



12-140 



5-765 



11-000 

 10925 



Inorganic. 



53-462 



38-000 

 37-750 



37-875 



37-550 

 37-370 



37-460 



10-962 



11-275 

 11-440 



•925 

 •950 



9 225 

 9-100 



8-100 

 7-923 



11-375 

 U-100 



10-970 

 10-875 



11-500 

 11-325 



11-100 

 11-150 



10-600 

 10-475 



11-100 

 11-325 



8-425 

 8-925 



11-357 



8937 



9162 



•011 



11-237 



10-922 



11-412 



11-125 



10-537 



11-212 



675 



18-605 

 18-290 



36-150 

 36-050 



18-447 



36-100 



35-750 

 35-540 



35-645 



46-575 

 46-350 



46-462 



34-250 

 34-200 



34225 



35-000 

 35-031 



35015 



36-375 

 36-700 



36-537 



36-245 

 36-375 



35-550 



35675 



36-300 

 36-050 



38-350 

 38-575 



38-650 

 38-875 



36-310 



35-612 



36-175 



38-462 



38-762 



36-675 

 36675 



36-675 



