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CHARLES J. FISH 



ing tank to the working stations in the lab- 

 oratories are of polyvinyl chloride. Each 

 station is provided with Jamesbury plastic 

 ball valves (fig. 3) and terminates with 

 plastic faucets and SAvivel goosenecks. 

 The plastic faucets are provided with plas- 

 tic side valves for connection of flexible 

 lines to laboratory aquaria. 



Pumping against a head of 75 feet and 

 through the 4-inch Transite line approxi- 

 mately 750 feet in length, the system is 

 now delivering approximately 120 gallons 

 per minute during the pumping periods. 

 Added intake wells could be installed if 

 an increased water supply should be re- 

 quired at some future time. 



