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Proceedings of the American Electric Railway Engineering Association ... containing a complete report of the ... Annual Convention, held at .. (1911)

American Electric Railway Engineering Association. Convention, American Electric Railway Association · New York, N.Y. : American Electric Railway Association · leaf 626

An illustration from Proceedings of the American Electric Railway Engineering Association ... containing a complete report of the ... Annual Convention, held at .., 1911, leaf 626
Engineering Association 574 Fig. 12 shows a method of waterproofing the bases of iron or steel columns. It is well-known that when concrete or other protection is built up around columns in streets or other1 exposed places, due to changes in grade or from other causes, in order to act as wheel…

American Electric Railway Engineering Association · Electric railroads · Street-railroads

Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.

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