474 



Report S.A.A. Advancement of Science. 



The Public Supply Station is assumed to buy coal at 10/6 

 per ton. 



Table B. 



Estimated cost of Power on the Rand, developed by Gas 

 Engines and Producer Gas on the Consumer's premises. 



I & III. With direct transmission. 

 II & IV. With electrical transmission. 



Cost per B.H.P. hour at 25% Load Factor with direct transmission. 



II. 



Costs per B.H.P. at 2S% Load Factor with electrical transmission. 



i-24d I04d o.9id O'Sid 



Total cost per B.H.P 

 hour 



