Chicago : Engineering and Contracting Pub. Co. · leaf 339
tMirier, New York, N. Y., inventor; patente.July 7. 1868. , . . The primary feature of this invention consists of prismatic sleepers laid with their angleforming ridges, between which the lines 0blocks are placed. _ t<.->.■„_». No 80,260. Improved Pavement; C. WilliamsNew York! N. Y.,… … Fig. 8—Wood Pavement as Constructed Under the Stafford Patent of 1867. grooves filled with suitable ceineiit. The woodenblocks are supported on sub-sills and locked to-gether. ,_ ,No 75,7811. Improved Wooden Pavement; Hugh MeDougnll, Chl.ago, 111., Inventor; patented March 21, 1868.This Invention…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
