AR. 84FuitooS:r ■"' perienced men as examiners, .specification writers, and Stone Channeling draftsmen that can be found, many of whom have been VOLUME XXXV.-NEW SEEIES, selected from the ranks of the Patent Office. NON-COMBDSTIBLE. STEAM BOILEB & FIFE OR SIXTY THOUSAND Inventors have availed them-… … One copy Scientific American, one year .. J3 20 pared to furnish all sizes at terms as favorable as can be Copies ot Patents. IVARD-nrE!.!. PATENT, obtained elsewhere. For descriptive lithograph, address One copy Scientific American, six months. 1,60 Persons desiring any patent Issued from 1836 to…
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