shioned method of con- Samples and Descriptive Price Lists Free. ns i verting bar iron into steel and then melting it in clay $1.60 six months. Specimen copies free. Remit by pots to form ingots of cast steel. Contained in SCIEN- H. W. JOHNS M’F’G CO,, 87° MAIDEN LANE, N. Y. Postal Order or Check.… … Mexico, an@-4ll States of Central and South America. cure them; directions concerning Labels, Copyrights, THE PUSEY & JONES CO. Terms, when sent to foreign countries, Canada excepted, Designs, Patents, Appeals, Reissues, Infringements, As- $4, gold, for SCIENTIFIC AMERICAN, one year; $9, gold,…
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