Research Catalog

  • Before the honorable James Dunlop, chief judge U.S. Circuit Court, D.C. Appeal from the Commissioner of Patents, in the matter of George B. Simpson's application for a patent for an improvement in insulating telegraph wires. Argument for appellant.

    • Text
    • Washington, R.A. Waters, 1860.
    • 1860
    • 1 Item
    FormatCall NumberItem Location
    Text Eng 4228.69.5Off-site

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