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Lead Poisoning in Brass and Bronze Foundries.

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By PEDLEY FRANK G.. , M.D., D.P.H. (The Canadian Med. Assoc. Jr.. , 1931; , xxv:, 299.-303.)

Ann Intern Med. 1931;5(4):525. doi:10.7326/0003-4819-5-4-525_1
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Lead poisoning is an important hazard in certain types of bronze foundries. Bronze is essentially an alloy of copper and tin, and brass an alloy of copper and zinc. However, this distinction is not always observed in naming alloys. Lead is frequently added to both, sometimes to improve them, sometimes to cheapen them. In railroad bronzes, such as bearings, the antifrictional qualities of lead make it a valuable constituent and it may be present in amounts as high as 20 per cent. The hazard arises in part through the volatilization of lead at the temperature necessary to insure the melting


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