NO. 35. MAY 7, 1859. VOL. XIV. THE its vast suporiority in point of toughness and SCIENTIFIC AMERICAN, flexibility over other forms of iron, we wish … constructed by even American genius, but we ledged. would like to see your countr; men turn their The relative conductibility (taking silver The subject of this engraving is a lath- bars, &, fall back to their proper position by attention to an article so much needed here. at 1000) of the several…
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