. Bulletin - United States National Museum. Science. Figure 43.—1866: The simplicity and strength of the brace proposed by J. Parker Gordon is in sharp contrast to tlie heavily spUnted sides of the wooden brace commonly used in mid-19th-century America. (Original patent drawing 52,042, Patent Office, Record Group 241, the National Archives.). 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

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. Bulletin - United States National Museum. Science. Figure 43.—1866: The simplicity and strength of the brace proposed by J. Parker Gordon is in sharp contrast to tlie heavily spUnted sides of the wooden brace commonly used in mid-19th-century America. (Original patent drawing 52,042, Patent Office, Record Group 241, the National Archives.). 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