Second sugar reduced to 100 polarization .pounds. 249 



Second sugar, per ton, clean cane do 30 



Second sugar, per ton, topped cane do 25. 4 



Second sugar, 100 polarization per ton, clean cane do 26. 5 



Second sugar, 100 polarization per ton, topped cane do 22. 5 



Yield of first sugar per acre do 1, 107 



Yield of second sugar per acre do 338 



The loss of sugar in this experiment after the juice had reached the sirup stage, 

 was very large. Notwithstanding an apparently extra good sirup the massecuite 

 was unfit to centrifugal on leaving the vacuum pan. 



EXPERIMENT NO. 13. 



Date: Octoher 20, 1891. 



Variety and plat : Ubehlana ; plat 41. 



Gross cane (topped cane) tons. 



Trash.. ..do.. 



11. 820 

 1.670 



Clean cane do 10. 150 



Clean cane removed in samples do 075 



Skimmings lost calculated to clean cane do 536 



Net clean cane worked do 9. 539 



Mean weight of clean cane per cell pounds. 325 



Trash, per cent topped cane 14. 1 



Juice analyses. 



Exhausted chips. 



Sucrose lost in exhausted chips, per cent cane, 0.42 (mean of nine analyses). 



Sirup.* 



Degree Brix 25.45 



Sucrose per cent . . 18. 81 



Glucose do 2. 61 



Purity coefficient 73. 90 



Glucose per cent sucrose 13. 85 



* Sirup after treatment with alcohol. 



