46 MINERALOGY. 



Mr. Bolitho, were obtainable in the market in April fS43', 

 and show a probable profit on tin ore of 7s. 8d. per cwt. ; 

 but a loss on shipment of the metal of 12s. 4d. per cwt. in 

 one case, and 4s. 9d. per cwt. in the other. 



" July 1843. Tin ore from Mauhnain purchased at 45 

 rupees per hundred viss, equal to 365 lbs. 



£. s. d. 



45 Rs. per °/o riss=pet cwt. 14 rupees, or 28 

 Charges. £. s. d. 



Duty, • ••• 3 



Stout boxes and shipping charges ) 10 



in Maulmain, S 



Freight home £ 2 per ton, 



Insurance 2£ °/o on 40s. 



Commission and London charges ) 



r.i o/ i 



Interest commission 5 °/ on pur- if 

 chase, * 



Sale price per Mr. Bolitho, 



Leaves a profit per cwt. ••• 7 8 



July 1843. Tin from Maulmain purchased at 77 rupees 

 per hundred viss. 



£. s, d. 

 77 Rs. per °/ viss.=23Rs. 14 



annas or per cwt ...... 47 9- 



Charges. £. s. d. 



Duty, 10 



In Maulmain shipping, &c. per ) 6 



cwt. • ••• I 



Insurance 2| °/ or 6 °/ ■•• 16 



London charges, viz. commis-~) c C 



sion 2| °/ Ware-house and 1^1 o 3 3 



Dock dues 1-|- °/ other inci- [ H» j 



dental expences 1| °/o "*i L 



