EXPERIMENT STATION BULLETINS. 



281 



a number of steam food-cookers that answer very well. A boiler with a 

 capacity of six or eight horse-power will cook about one hundred gallons 

 at a time. 



Fig. 1. Kettle for Cooking Sulphur and Lime. 



THE COOKING PLANT. 



A large number of orchardists who have considerable areas that require 

 spraying for the scale have put up cooking plants that are in a way 

 models of their kind. Among the principal requirements are, an abun- 

 dant supply of water so arranged that it can be drawn directly into 

 the cooking tank, and an elevated platform upon which the cooking tank 

 can be located so that the prepared mixture can be drawn at once into 

 the spraying tank and thus do away with the necessity of dipping it. 

 For use with steam a small shed or other building should be provided as 

 a protection for the boiler. The platform should be elevated about six 

 feet above the level of the ground where the spraying wagon will stand. 

 Upon this three or four barrels, or a tank with a capacity of one hun- 

 dred and fifty gallons should be placed. In order that the steam may 

 prove most effectual, there should be a pipe running along either side 

 of the tank with a row of one-eighth inch holes about six inches apart. 

 These should be so arranged as to direct the jets of steam across the 

 tank. When barrels are used, a one and one-fourth inch steam pipe 

 should lead from the boiler over the tops of the barrels and from this a 

 three-quarter inch pipe should drop into each. At the lower end of these 

 pipes, which should be just above the bottom of the barrel, there should 

 be a semi-circular coil which should be pierced on the upper side with 

 six or eight one-eighth inch holes. 

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