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Decision of Hon. Philip F. Thomas, Commissioner of Patents,
on the application of Samuel F. B. Morse, for an extension of his patent for a new and useful improvement in electro-magnetic telegraphs ...

APA Citation

United States. Patent Office. (1860). Decision of Hon. Philip F. Thomas, Commissioner of Patents: on the application of Samuel F. B. Morse, for an extension of his patent for a new and useful improvement in electro-magnetic telegraphs ... Washington: H. Polkinhorn, printer.

MLA Citation

United States. Patent Office. Decision of Hon. Philip F. Thomas, Commissioner of Patents: On the Application of Samuel F. B. Morse, for an Extension of His Patent for a New And Useful Improvement In Electro-magnetic Telegraphs ... Washington: H. Polkinhorn, printer, 1860.

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