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Scientific American, Vol. 34, No. 11 (1876) (1876)

leaf 12

An illustration from Scientific American, Vol. 34, No. 11 (1876), 1876, leaf 12
o thoroughly moisten asabove? A. Six or eight cells of Callaud bat- AND EACH BEARING THAT DATE. it. Let the whole stand fora short time, when it ment A B=009058507,area of centerspace=0°16125449, tery willanswer, provided the resistance of the [Those marked (r) are reissued patents.] will be ready… … maintain a working pressure of about 50 lbs. per respondents who ask for recipes for caseharden- | Carriage spring brace, N. A. Newton...........-. 178,184 immediately curl up with the heat? A. By passing square inch. ing: To caseharden wrought iron, take wood s00t | cask tilter J.…

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