Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 238
temperature,crystals which are hydrates. Fluoride of potassium is not decomposedby heat, the solution attacks the vessel ofglass and porcelain in which it is evaporated.For evaporating solutions of fluoride of po-tassium vessels of platinum should be used. Fluoride of potassium is prepared… … HENRY KIRKE BROWN. BY N. CLEAVELAND. Philadelphia, June 3d, 1850.N. Cleaveland, Esq.: Dear Sir.—Passing hurriedly throughNew York last week, I was yet enabled toget a rapid glance at the exhibition of theNational Academy of Design. The beau-tiful statues there by Mr. Brown renewedmy desire to…
Photography · Art and photography
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