WATER SUPPLY 383 



by dealers, up to 6 inches in diameter. The net cost per 

 hundred feet, as shown in the last column, was the ordinary 

 retail price in July, 19 14. These prices will vary in different 

 towns on the same date and are subject to change owing to 

 the market prices of iron or steel. However, these prices 

 are comparative between black and galvanized pipe and 

 between the various sizes and can be used for estimating 

 when the local market prices of only one or two sizes is 

 known. 



BIBLIOGRAPHY 



"Farm Water Supply," Bulletin 5Q t 19 16, Minnesota Agricultural 



Extension Division, University Farm, St. Paul. 

 Fuller. Domestic Water Supplies for the Farm. John Wiley & Sons. 

 Hutton, William. Country Plumbing Practice. David Williams Co. 



GOVERNMENT PUBLICATION 



Trillinger, Robert W. "Water Supply. Plumbing and Sewage Dis- 

 posal for Country Houses," Bulletin 57, United States Department 

 of Agriculture. 



