Solder for aluminum
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Article
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1911
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Elsevier Science
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English
โ 66 KB
wooden racks on a shelf in proximity to an inclosed arc light; beginning with a pure oil on the left hand side, then bottles with o.I per cent. mineral oil, I per cent., 2 per cent., etc., up to IO per cent. The standard with linseed oil serves to examine cottonseed, corn, China-wood, China-bean oil