. Bulletin. Science. Figure 44.—Quick-return mechanism. Top, Early representation of tiie quick-return mech- anism patented by Whitworth in 1849, from William Johnson, ed., The Imperial Cyclopaedia of machinery (Glasgow, about 1855, pi. 88). Middle, Sketch by Robert Willis from his copy of Prirwiples of Mechanism (London, 1841, p. 264), which "shews Whitworth dissected into a simpler form"; it is as obscure as most subse- quent attempts have been to explain this mechanism without a schematic diagram. Bottom, Linkage that is kinematically equivalent to Whitworth's, from Robert Willis,
. Bulletin. Science. Figure 44.—Quick-return mechanism. Top, Early representation of tiie quick-return mech- anism patented by Whitworth in 1849, from William Johnson, ed., The Imperial Cyclopaedia of machinery (Glasgow, about 1855, pi. 88). Middle, Sketch by Robert Willis from his copy of Prirwiples of Mechanism (London, 1841, p. 264), which "shews Whitworth dissected into a simpler form"; it is as obscure as most subse- quent attempts have been to explain this mechanism without a schematic diagram. Bottom, Linkage that is kinematically equivalent to Whitworth's, from Robert Willis, Principles oj Mechanism (London, 1841, p. 264).. 1^ /ii ^- ^ /^^^w A-^^^ M:'-^-^ 4i. 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: 2006px × 1246px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience
