Patent Specification for Ely Rubber Hook Insulator

51,934. - TELEGRAPH INSULATOR. - A. B. Ely, Boston, Mass.:

First, I claim the hard-rubber or gutta percha cap, having its lower edge in the form of a head and terminating in a flange or disc bent inward toward the hook, substantially as and for the purpose described.

Second, The combination of two caps with the hook, substantially in the manner and for the purpose described.

51,935. - TELEGRAPH INSULATOR. - A. B. Ely, Boston, Mass.:

First, I claim insulating telegraphic wires, or their supports, with the material, applied in the manner substantially as and for the purposes set forth.

Second, the new article of manufacture herein described, constituting an insulated wire, made substantially as described for the purposes set forth.