. Bulletin. Science. ,/.â /., ./â //,â /,/,,, /,ââ/ ./,â /'/.u. Figure 18.âMachine for sawing off pilings under water, about 1760, designed by De Voglie. The Roberts linkage operates the bar {Q_ in detailed sketch) at the rear of the machine below the operators. The significance of the linkage apparently was not generally recognized. A similar machine depicted in Diderot's Encyclopedic, published several years later, did not employ the straight- line linkage. From Pierre Patte, Memoirs sur les objets plus importants de f architec- ture (Paris, 1769, pi. 11). 202 BULLETIN 228: CONTRIBUTIONS FRO


. Bulletin. Science. ,/.â /., ./â //,â /,/,,, /,ââ/ ./,â /'/.u. Figure 18.âMachine for sawing off pilings under water, about 1760, designed by De Voglie. The Roberts linkage operates the bar {Q_ in detailed sketch) at the rear of the machine below the operators. The significance of the linkage apparently was not generally recognized. A similar machine depicted in Diderot's Encyclopedic, published several years later, did not employ the straight- line linkage. From Pierre Patte, Memoirs sur les objets plus importants de f architec- ture (Paris, 1769, pi. 11). 202 BULLETIN 228: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off


Size: 1417px × 1763px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience