. Bulletin. Science. Figure 22.—Peaucellier exact straight- line linkage, 1873. From A. B. Kempe, How to Draw a Straight Line (London, 1877, p. 12).. 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

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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience