. Bulletin - United States National Museum. Science. y» jo « n â 9n, 2>h /c<m /c 9a- 10- â o 97. â¡' At/. <fs 2- pot:. 66 . ⢠0 *'⢠-. ' ' * - " » Figure 30.âLayout of the wheelwork of a clock made by Bertolla for His Excellency Paulo Dona, inscribed "Design No. ; {Courtesy of Museo Vazionalt della Scitnza e delta Tecnica, Milan.) 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
. Bulletin - United States National Museum. Science. y» jo « n â 9n, 2>h /c<m /c 9a- 10- â o 97. â¡' At/. <fs 2- pot:. 66 . ⢠0 *'⢠-. ' ' * - " » Figure 30.âLayout of the wheelwork of a clock made by Bertolla for His Excellency Paulo Dona, inscribed "Design No. ; {Courtesy of Museo Vazionalt della Scitnza e delta Tecnica, Milan.) 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
