Patents for Inventions Abridgments of Specifications Relating to Aeronautics A.D. 1815-1866

Editore: Office of the Commissioners of Patents for Inventions, Holborn England, 1869

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England's short abstracts or abridgments (1815-1866) of the Specifications of Patents under the heading of Aeronautics, separately prepared to be helpful and inexpensive to "inventors to whom they have become indispensable." 58 pages plus index, some pages unopened. Covers are worn, with creases, splits and faint stains, text block Very Good.; 5 x 7 1/4 ".

Codice articolo 77753

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• Titolo: Patents for Inventions Abridgments of Specifications Relating to Aeronautics A.D. 1815-1866
• Editore: Office of the Commissioners of Patents for Inventions, Holborn England
• Data di pubblicazione: 1869
• Rilegatura: Center Stitched Booklet
• Condizione: Good