. Bulletin - United States National Museum. Science. Figure —Spindle of figures 12 and 13, showing the several leads and the many-sided seat for the driving pulley. Note the scale of feet. From UEncyclopedie, vol. 10, plate 16. Figure 13.—End view of the headstock seen in figure 12, showing the keys or half nuts which engage the threaded spindle, in engaged and disengaged positions. From VEncyclopedic, vol. 10, plate 13. 14 BULLETIN 240: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY. Please note that these images are extracted from scanned page images that may have been digitally


. Bulletin - United States National Museum. Science. Figure —Spindle of figures 12 and 13, showing the several leads and the many-sided seat for the driving pulley. Note the scale of feet. From UEncyclopedie, vol. 10, plate 16. Figure 13.—End view of the headstock seen in figure 12, showing the keys or half nuts which engage the threaded spindle, in engaged and disengaged positions. From VEncyclopedic, vol. 10, plate 13. 14 BULLETIN 240: 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.


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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience