This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ... gas (for smelting zinc, lead, etc.; metallurgical plants of all kinds; foundries; glass works; laundries; bakeries; brick and cement kilns; enameling porcelain; enameling sanitary ware; heating: iud steam power plants) 23 Exhaust gases from motor engines 9. 3 Mining explosions and mine fires 2. 7 to 47. 4 The British ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 Excerpt: ... gas (for smelting zinc, lead, etc.; metallurgical plants of all kinds; foundries; glass works; laundries; bakeries; brick and cement kilns; enameling porcelain; enameling sanitary ware; heating: iud steam power plants) 23 Exhaust gases from motor engines 9. 3 Mining explosions and mine fires 2. 7 to 47. 4 The British statistics22 divide the industries, in which carbon monoxide is a danger into four groups. Their reports for six years, from 1908 to 1913, inclusive, give the following figures: MORTALITY IN BRITISH INDUSTRIES EXPOSING WORKMEN TO CARBON-MONOXIDE GAS, BY SOURCE GROUPS, 1908 TO 1913. During the years 1914, 1917, 1918, and 1919 the number of cases increased and the severity also increased, as shown by the higher mortality rate. While in the earlier years the average number of cases per year had been 62.5, in the later period it was 75. The mortality in the earlier period was 46 out of 375 cases, or 12.3 per cent, while in the later period it was 52 out of 300 cases, or 17.3 per cent. Gassing from blast-furnace gas furnished the highest mortality, no less than 22.8 per cent for the later period, while the cases caused by coal gas had a mortality of only 10.6 per cent and by power gas of 12.9 per cent. There are no statistics in the United States at all comparable to these, but the information that is available has been collected and is presented under the industries in which the gassing occurred, namely, the steel works, manufacture of illuminating gas, and metal and coal mining. MANUFACTURE OF STEEL. The material for this study was obtained in the steel towns of the Chicago and Pittsburgh districts and in South Bethlehem. The modern blast furnace gives off 150,000 to 200,000 cubic feet of gas per ton of fuel consumed. The charging is done automati..
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