18 BULLETIN NO. 161 



COMPARISON OF THE COST OF HEATING TEN ACRES, TWELVE 

 NIGHTS IN TEN YEARS WITH OIL AND WITH COAL, CONSID- 

 ERING A TON OF COAL EQUAL TO 100 GALLONS OF OIL. 



WITH OIL 



For Ten Acres 



1,500 Lard pail heaters at $0.20 (good for 10 years) $ 30.00 



12,000 Gallons oil @ $0.09 108.00. 



1 Wagon tank $50.00 (good for 15 years) 4.00 



Lighting torches $10 (good for 10 years) 1.00 



Thermometers $15 (good for 10 years) 1.50 



Labor for handling the oil, pots and fires (for one year) .. 45.00 

 Storage tank 12,000 to 14,000 gallon $240 (good for 20 



years) ... 12.00 



Total cost for ten years $191.50 



Cost for one acre '. $19.15 



Interest at ten per cent 1.91 



Total cost for one acre $21.06 



WITH COAL 



120 tons of coal @ $7.00 delivered $ 84.00 



500 baskets @ $0.25 (good for ten years) 12,50 



Waste and crude oil for starting 10.00 



Lighting torches $10.00 (good for ten years) 1.00 



Labor for filling and lighting 45.00 



Total cost (for ten acres $152.50 



Cost for one acre $15.25 



Interest... 1.52 



Total cost for one acre.... ....$16.77 



i 



From the above figures it will be seen that with coal at $7.00 

 a ton and oil at 9 cents a gallon that coal is somewhat less ex- 

 pensive. It is probable that oil at 7 cents a 'gallon can compete 

 with coal at $7.00 a ton. 



The smoke from the oil fires and the high humidity associated 

 with the low temperature by deposit darkens the trees and fruit 

 somewhat, especially where heating is resorted to many nights 

 during a season. 



In the case of coal this trouble is not experienced and yet the 



