Pamphlet summarizing data accumulated by the Stamford Water Works reflecting the bacterial and mechanical efficiency of an automatic control for liquid-chlorine disinfection of water. Includes data tables and two black…

Technical publication pamphlet providing a cost analysis of liquid chlorine and hypochlorite products. Discusses the increase in chlorine chemical costs, and the price of water purification apparatus. Underscores the…

Technical publication pamphlet providing information regarding the Wallace & Tiernan Co., Inc. manual control chlorinator apparatus. Discusses the sterilization of water by chlorination and the advantages of using…