1840.] On Low Steam Power to Vessels^ instead of Sails» 235i 

 Tonnage taken up by fuel and engine. 



Tone 



From Madras; coal .. 53 



Engine 20 



Towards Madras ; coal = 23 



Engine 20 



43 



Average , , ....tons 58 



Deduct on account of tonnage saved in stowage of sails 



and stores v,» 40 



Net loss 18 tons 



Tonnage of vessel «... 400 



Available for freight.., 382 tons 



As she would perform the voyage of 1,660 miles in. 15 days, and allow* 

 ing 10 for loading and discharging, she would in 90 days perform 3| 

 voyages, and allowing her to carry 360 tons each time. 



Receipts. £ 



360 tons of freight at 20 Rupees , _ 720 



Add profit on 2 passengers each trip , o . . , 40 



Receipts , 760 



Or for 3| voyages 2660 



Total receipts in 3 months 2660 



Deduct expences 680 



Net profits. , 1980 



Or per annum 7920 



Which upon an outlay of 5200 <£ is 130 per cent per annum. 



