Chicago : Engineering and Contracting Pub. Co. · leaf 341
t inthe Nicolson pavement. It consists of a foun-dation for such pavement, formed of sectionsof-JPlan^ x,cut, in width slightly exceeding thewidth of the block, with the parting strip nailedthereto, the foundation boards being groovedand beveled on their sides to form connectionsand material… … Fig. 11—Waterbury System; Patented 1870. with the recesses and flanges and dowel pinswith corresponding holes, the trays being filledwith concrete, blocks of wood or other suitablematerial. No. 105,292. Improvement in Wood Pavements;William W. Ballard. Elmira, N. Y., In-ventor; patented July 12,…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
