16 SCIENTIFIC CATALOGUE. 



Re n du continued. 



Memoir and Supplementary Articles by Professors TAIT and Rus- 

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ROSCOC. Works by HENRY E. ROSCOE, F.R.S., Professor of 

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CHEMICAL PROBLEMS, adapted to the above by Professor 

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Roscoe and Schorlemmer. A TREATISE ON CHE- 

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Schorlemmer. A MANUAL OF THE CHEMISTRY OF 

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