Farmer and Batchelder insulator patent

Patent Claims

Issued from the United States Patent Office

FOR THE WEEK ENDING SEPTEMBER 14, 1858.

[Reported officially for the Scientific American.]

***Circulars giving full particulars of the mode of applying for patents, size of model required, and much other information useful to inventors, may be had gratis by addressing MUNN & CO., Publishers of the SCIENTIFIC AMERICAN, New York.

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TELEGRAPH INSULATORS - M. G. Farmer, of Salem, Mass., and J. M. Batchelder, of Cambridge, Mass. : We claim the iron wire supporter or hook in combination with a screw insulator made of hard india-rubber, and attached to the hook or shank, in the manner described.

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