Chemical engineering . 430°) Lead. ^ -|- (Bcde andRegnault).= 326° = Cal. (from above formula)= Cal. (observed,Le Verrier)=: Cal. (Person).= Cal. = Cal. (Person).= Cal. (calculated fromsolid metal al M. P.) Sm (o to t) Melting point Heat in solid metal at M. P. = : 267° + (RcgnauJland Bede). = Cal. (from above formula) Heat in melted metal = Cal. (Person). Latent heat of fusion Sm (liquid) (280° to 360°) : Cal. (Person).: (Person). Sm (0 to 100°) Sm (o to 100) Thorium. = (Nilson). Uran
Chemical engineering . 430°) Lead. ^ -|- (Bcde andRegnault).= 326° = Cal. (from above formula)= Cal. (observed,Le Verrier)=: Cal. (Person).= Cal. = Cal. (Person).= Cal. (calculated fromsolid metal al M. P.) Sm (o to t) Melting point Heat in solid metal at M. P. = : 267° + (RcgnauJland Bede). = Cal. (from above formula) Heat in melted metal = Cal. (Person). Latent heat of fusion Sm (liquid) (280° to 360°) : Cal. (Person).: (Person). Sm (0 to 100°) Sm (o to 100) Thorium. = (Nilson). Uranium. = (Bliimcke). July, 1905. ELECTROCHEMICAL AND METALLURGICAL INDUSTRY. 267 CORRESPONDENCE. Elfcctrolytic Copper. To the Editor of Electrochemical and Metallurgical Industry:Sir—I herewith send you a photograph of electrolytic cop-per which shows its crystalline structure very clearlv. The piece was broken from the lower corner of a full sizecathode whicli had been operating under bad conditions in an. (. STRICTURE OF ELEC-TROLYTIC COPPER. insoluble anode tank. There was presumably a very highcurrent density at this corner. The photograpl) magnifies about one and a half diameter. Lawrence Aduicks. Icrth Amboy, N. J. Notes. Electrochemical Society.—The next meeting(if the American Electrochemical Society will be heldon September 18. 19 and 20. at Bethlehem, Pa., in responsetc an invitation tendered by the president of Lehigh the May meeting of the Board of Directors the followinggentlemen were elected members: Hubert Buckley, NiagaraFalls. N. Y.: H. F. Lewis, Boston. Mass.: Theo. \V. , Mass.; Edgar F. Smith. Philadelphia, Pa. At theJune meeting the following gentlemen were elected members:Chas. Butters, Berkeley, Gal.; Clarence P. Hatter, Chicago,III.: Ralph D. Mcrshon, New York; Jas. K. Pumpelly, In-dianapolis. Ind.: Harvey L. Williams. Bristol, Tenn. Sulphate of .\ from Peat.—According to a recents
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