AMEN, MUNN & CO, Editors, Proprietors, No, 361 BROADWAY NEW YORK, TERMS FOR, SCIENTIFIC AMERICAN, 1 50, Scientific American Supplement Building Edition, Spanish Edition, Scientific American, Contents, SCIENTIFIC AMERICAN SUPPLEMENT BIG GUNS FOR COAST DEFENSE, PIGEONS, DISPATCH CARRIERS, 1890-12-06, science, scientific, sciences, mind, health, tech, sustainability, publication, lab, sciam, sa, scientist, research, american, experiment, education, discovery, technology, analysis, magazine, u.s., insights, developments, weekly, broadsheet, inventor, innovation, inventions, patented, industrial revolution, emerging, trends, monthly magazine, united states, engravings, curious works, paper, discover, Scientific Paper, Weekly Journal, Practical Information, Art, Science, Mechanics, Chemistry, Manufactures, research, education, scientist, innovation, 19th century, vintage, america, Rufus M. Porter, 1845, journal, academic, newspaper illustrations, retro style, old-fashioned, media illustrations, victorian style, news, newspaperheadline, 19th century style, illustration, journalism

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