THE COLD WATER TANK 



297 



To keep the cans from tipping when not full, compartments 

 may be built by means of galvanized iron pipes, coupled to 



Fig. 98. — Showing method of insulating the walls in the insulated ice house. Repro- 

 duced from "Practical Cold Storage," by Madison Cooper. (Published by Nickerson and 

 Collins Co., Chicago.) 



branch out between the cans. Spaces should be of such size as to 

 accommodate the ordinary four-gallon " shot-gun " can (eight to 

 nine inches in diameter and twenty inches high) and the ordinary 



