. The oist . 60 YEARSRIENCE. Trade MarksDesigns. Copyrights Slc. Anyone sending a sketch and description mayqulcldy .ascertain our opinion free whether aninvention is probably patentable. Communica-tions strictly confidential. HANDBOOK on PatentsBent free. Oldest aeency for securing patents. Patents taken throuch Munn & Co. receivetpecial notice, without chnrge. in the Scientific Hnicrican. A handsomely illustrated weekly. Largest Cir-culation of anv nfientitlc journal, renns. $3 ryear; four months, JL Sold byall newsdealers. MUNN «Broadway. New York , Braucb Office. 626 F St„ Washington


. The oist . 60 YEARSRIENCE. Trade MarksDesigns. Copyrights Slc. Anyone sending a sketch and description mayqulcldy .ascertain our opinion free whether aninvention is probably patentable. Communica-tions strictly confidential. HANDBOOK on PatentsBent free. Oldest aeency for securing patents. Patents taken throuch Munn & Co. receivetpecial notice, without chnrge. in the Scientific Hnicrican. A handsomely illustrated weekly. Largest Cir-culation of anv nfientitlc journal, renns. $3 ryear; four months, JL Sold byall newsdealers. MUNN «Broadway. New York , Braucb Office. 626 F St„ Washington, D. C. 190 THE OOLOGIST. Prices for Back Numbers ot the YOUNG OOLOGIST AND THE OOLOGIST will, during 1908, remain as below: After which the prices of many num-bers will be advanced and possibly notobtainable at any price. Should youdesire back numbers to complete yourfile, NOW is the time to purchase. Youcan never obtain them for less moneyand possibly not at any price, as ourstock ranges from only 1 to 25 copies


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