. Journal. Frank >?on-Maine, Germany. Eng. Pat. 11,437. May !&, I See Fr. Pat. 343,313 of 1904 ; this J., 1904,1032,- Separating Coal, Slack, Ores, Minerals or SubMaDifferent Specific Gravity. T. A. Johnson. Enc :13,765, June 17, 1904. II., page 665. 1005.] JOURNAL AND PATENT LITERATURE—Cl. X. niOret; Process for Smelting Sulphuretted , | 3* Simultaneous Concentration of the .Unite. St Petersburg. Eng. Pat. 14,980, July 4, .Pat. 344,630 of 1904; this J., 1904, 1095.—T. F. B. United States Patents. Steel. R. A. Hadfield, Pat. 786,501, April 4, 1905. n, i made for a steel
. Journal. Frank >?on-Maine, Germany. Eng. Pat. 11,437. May !&, I See Fr. Pat. 343,313 of 1904 ; this J., 1904,1032,- Separating Coal, Slack, Ores, Minerals or SubMaDifferent Specific Gravity. T. A. Johnson. Enc :13,765, June 17, 1904. II., page 665. 1005.] JOURNAL AND PATENT LITERATURE—Cl. X. niOret; Process for Smelting Sulphuretted , | 3* Simultaneous Concentration of the .Unite. St Petersburg. Eng. Pat. 14,980, July 4, .Pat. 344,630 of 1904; this J., 1904, 1095.—T. F. B. United States Patents. Steel. R. A. Hadfield, Pat. 786,501, April 4, 1905. n, i made for a steel containing from about 0-3 toof carbon, up to 0-25 or 0-3 per cent, of- .ge, 2—5 per cent, of nickel, and 1—3 per cent, iThe steel is stated to possess a high elastic1 tenacity, with great ductility and toughness. —A. S. / %ace [Mercury ]. A. Skoog, Shreveport, 1 isiana. Pat. 783,903, Feb. 28, 1905. •nace is shown in cross-section through theof the furnace in Fig. 1, and in section in. It consists (Fig. 1) of vertical tire-chambers re-chambers 3. arranged alternately, with fire- ?io opposite sides of the furnace at right the chambers 2, 3. The heat and gases from pass through openings into the ends of hambers 2, which have each a transverse partition 1 of the way up, so that the tire-gases are pass first through the. openings 7 into the ore- -. through the body of ore, and subsequently ... openings 8 into the fire-chambers above 6. At about two-thirds of the height of ibers, baffles 9, 10 are provided, between Oiich the gases and mercury vapour pass upper compartments of the fire-chambers, then he openings 12 into the dust chamber 13, nally through the pipe 14 to the condensers. I>ers are provided to about two-thirds of ith the usual inclined tiling 18, but the he tiles of the outermost row do not extend *«lls of the ore-chambers. The space 19 in the *rt of each ore-chamber, corresponding to the omputments of the fire-chambers is left untiled, * as a drying
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
