Electrolysis, Low Service Pipe Lines, Section 11, Boylston Street, pits in 48-inch cast-iron pipe 361-C made by electrolysis; pits chalked; age 4 years, exposed to electrolysis 3 years, Cambridge, Mass., Oct. 5, 1900
Electrolysis, Low Service Pipe Lines, Section 11, Boylston Street, pits in 48-inch cast-iron pipe 361-C made by electrolysis; pits chalked; age 4 years, exposed to electrolysis 3 years, Cambridge, Mass., Oct. 5, 1900
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Electrolysis, Low Service Pipe Lines, Section 11, Boylston Street, pits in 48-inch cast-iron pipe 361-C made by electrolysis; pits chalked; age 4 years, exposed to electrolysis 3 years, Cambridge, Mass., Oct. 5, 1900