Chicago : Engineering and Contracting Pub. Co. · leaf 337
were % in. in width,and were grouted with lime and sand mortar.In 1841 a patent (No. 2,265) was granted byUnited States to Stephen Carey, and this pat- 322 ENGINEERING & CONTRACTING Vol. XXXVI. No. 13. ent most likely covers the pavement abovedescribed. Figure 3 shows a section of thepavement… … Fig. 1—Russell System; Patented 1840. pavement of this type was granted on May 8,1840. The method of constructing the pave-ment under this patent is shown in Fig. 1.The next two patents granted were for theDe Lisle and Carey systems mentioned above. With the exception of the Nicolson and afew other…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from M. Vitrvvii viri svae professionis pertissimi De architectvra libri decem, ad Avgvstum Cæsarem accuratiss. conscripsit & nvnc primvm in Germania qva potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati (1543)](https://img.insideoutlibrary.com/img/200/ia-mvitrvviivirisva00vitr-104-28.webp)
