for copy Engineer's* and Steann User's in size, every number containing Sixteen large pages. Our patented Vertical Boiler will not prime. No dan- Roller's Practical Hnmly-Bnoks, for Engineers Manual. By J. W. Hill, M.E. PrlceSI.25. The Scientific American Supplement Is published geroi burning… … taining full information about Patents and how to pro- Terms, when sent to foreign countries, Canada excepted, cure them; directions concerning Labels, Copyrights, $4, gold, for Scientific American, one year; $9, gold, Designs, Patents, Appeals, Reissues, Infringement^, As- for both Scientific…
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