Racemism
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Robert Hart Bradbury
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Article
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1900
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Elsevier Science
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English
โ 871 KB
Diagram, /;i/r. 4, shows the results of test on IO0 lamps of a high-grade lamp, and illustrates what may be expected of well-made lamps. It is to the interest of all purchasers to require lamps to conform to the one candle, 3-watt limits referred to above, by testing samples from each lot purchased