Rudiments of the art of building : in five sections : general principles of construction, materials used in building, strength of materials, use of materials, working drawings, specifications and estimates (1871)
49 ART OF BUILDING. 103. Sti'iick by tlicse disadvantages, Colonel Emy, a French military engineer, proposed, in 1817, an improve- ment on the system of Philibert de Lorme, which was pre- cisely the laminated arched rib so much in use at the present day. It was not until 1825 that he obtained per-… … The ribs in this roof are formed of planks bent round on templets to the proper curve, and kept from separating by iron straps, and also by the radiating struts which are in pairs, notched out so as to clip the rib between them. The principle of the roof is exceedingly good. The principals,…
Building · Building materials · Engineering
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Rudiments of the art of building : represented in five sections [...] for the use of architects, builders, draghtsmen, machinists, engineers and mechanics (1853)](https://img.insideoutlibrary.com/img/200/ia-rudimentsofartof00bull-73-41.webp)
