d back and any further information may be obtained by address- York. We have also established a Brancu O1rrice in the Crry or into place, between the two uprights, D D, of the cir- WASHINGTON, on the CORNER OF F AND SEVENTH-STREETS, opposite the ing the inventor, H. H. Luther, at Warren, R. I.… … Vneipal Office or either of the Branches. They also furnish a Circu- lor of informetion about Foreign Patents. The annexed letters from the last two Commissioners of Patents we cummen! to the perusal of .all persons interested in obtaining The annexed cut represents an improvement in nip- atents:—…
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-569-340.webp)
