Fletcher's Practical Instructions in Quantitative Assaying with the Blowpipe. 



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Fresenius's Manual of Qualitative Chemical Analysis. (Wells.). 8vo, 5 00 



Manual of Qualitative Chemical Analysis. Part I. Descriptive. (Wells.) 8vo, 3 o« 

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Furman's Manual of Practical Assaying 8vo, 3 00 



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Elements of Physical Chemistry x2mo, 2 00 



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4 



