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as well as the character of the water supply

Exhibit B (cropped from border, squared)
illustrating Water Service / Appendix D. “Study and report on pitting and corrosion of boiler tubes and sheets, character of metal, methods of manufacture, construction of boilers and quality of water considered.”
Proceedings of the Twenty-third Annual Convention of the American Railway Engineering Association (1922) : 493-497
University of Chicago copy, digitized October 16, 2012

epigram ex page 495

12 December 2014

as well as; boiler tubes; corrosion; grooving; pitting; water