Hays combustion meter for boiler, Springwells Station treatment plant during construction, Detroit water supply system
Description:
View of a Hays combustion meter for boiler in the Springwells Station treatment plant during construction, Detroit water supply system. Plaques on meter read: "Boiler no. 1, Springwells" and "Hays combustion meter. Serial no. The Hays Corporation, Michigan City, Ind. U.S.A." Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. CO2 meters, Springwells. Contract no. P.S. 190. No. [blank]. Date: 1935. Photo by MacGregor and Company."
