. Bulletin. Science. "D n 'I ^'" â f 1 ^ r tj4 Counterweighted crank wheel. (c) "Eccentric wheel" with external yoke hung from working beam. The wheel pivots at C. 194 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 In
. Bulletin. Science. "D n 'I ^'" â f 1 ^ r tj4 Counterweighted crank wheel. (c) "Eccentric wheel" with external yoke hung from working beam. The wheel pivots at C. 194 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
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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience
