New York [etc.] Simmons-Boardman Pub. Co. [etc.] · leaf 299
sion, and while not advocating tannin for suchuses, urges that that substance has very little ten-dency to attack iron after the first contact, claimingthat the metal becomes immediately coated and pro-tected from further action. He contends that therisk to boilers from the use of tannin as an…
Railroads · Railroad cars
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