Scientific American 57 July 24, 1909. … McAdoo supplied the latter, and in 1902 the New VIEW OF CONCOURSE, LOOSING NOBTH ON WEST SIDE. When the extension now authorized is completed, via stations at Sixth Avenue and 39th Street and Fifth Avenue and 42nd Street, to a terminal station between Lexington and Park Avenues, further connection…
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![An illustration from Toch's cement filler and cement floor paint : make Portland cement floors everlasting : manufactured by Toch Bros. ... [etc.]. (1914)](https://img.insideoutlibrary.com/img/200/ia-tochscementfille00toch-10-1.webp)
