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RURAI< ECONOMICS 



height. The diagonal strips on the cover B act as supports for the cans or 

 other utensils to be sterilised. 



Method of Operation : Fill the roasting pan with water to the depth 

 of I inch. Heat until the steam coming from the end of the outlet pipe 

 reaches a temperature of 205° F. Place the can to be sterilised, preferabl)'' 

 enclosed in an insulating cover, upside down over the outlet and leave for 



Fig. 2. — The sterilizer in action. 



5 minutes, (fig. 2) then remove and place upright on the floor. The can 

 should be absolutely dry in one or two minutes if the temperature has 

 reached 205° F. 



Cost of Operation : The two burners use one pint of paraffin per hour. 

 Taking oil at 10 cents a gallon, the cost of sterilising three cans, with covers 

 and strainers, is about i cent for 35 minutes operation. One inch of water 

 in the roasting pan will furnish steam at 211'^ F. for about 50 minutes. 



RURAI. ECONOMICS. 



1 1 14 -Farm Management Practice of Chester County Pa., U. S. A. - Spillm.an, w. j,. 

 Dixon, M. M. ami Billings, G. A., in Untied St.ilcj Dcf^'^rtment 0/ A^ricuV.iin' Bulletin 

 iSr° 341, (Profess nun 1 Paper), pp. i-og. V\'ashii;gt(m, January, 17, 1916. 



This report from the Office of Farm Management, United States De- 

 partment of Agriculture, based on the analytical study of 643 farms in Ches- 



