•93 



(b) Consumption of wood per hour in cubic feet \'2i. 



(c) Average time to get 50 lbs : steam 2 hours. 



(d) Average steam pressure during 57J working hours 81 '6 



lbs. 



(e) Average weight per cubic foot 64J lbs. 



3. The ordinary firewood sent in by the Forest Officer was tried 

 on the 14th November, 604 pieces weighing 4,704 lbs. were sent 

 out and consumed after 62 hours working. 



Result :— 



(a) Consumption of wood per hour, in lbs. 75 8. 



(b) Consumption of wood per hour, in cubic feet 1*36 



(c) Average time to get 50 lbs. steam 168 hours. 



(d) Average steam pressure during 62 working hours 87*5 



lbs. 1 



(e) Average weight per cubic foot 55^ lbs. 



4. As regards residue Bakau gave the least, the ordinary fire- 

 wood most. 



5. It should be noted that each of the lots of firewood had been 

 sawn and stacked in the open for much about the same length of 

 time. 



6. Attached is a separate sheet showing the above results in a 

 tabulated form. 



7. The experiments were all made with the same roller. 



C. EDWIN SPOONER, 



State Engineer, Selangor. 



