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op boogere burgerscholen. Leiden, 1899. 8vo. 

 Die vStereochemie des Stickstofifes. Zurich, 1898. 8vo. 111. 

 Gckrontc Prei.sschrift. 



RiPPEL, J. 



Gnindziige der Cbemie und Mineralogie. Wien, 1899. Svo. 111. 



Robert, H. P. J. B. 



Etude chimique et tberapeutique sur I'acide picrique. Montpellier, 

 1899. Svo. 



Roberts, P. 



The Anthracite Coal Indu.str}-. Study of the economic conditions 

 and relations of the co-operative forces in the development of 

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RoHERTS-ArSTKX, WlIXIAM CH.\N])r,KR. 



Sec' Austen, William Chandler RoV)erts. 



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Manuel pratique du fabricant d'alcools. Distilleries agricoles. 

 Paris, 1902. Svo. 



RocKwooD, Elbert \V. 



Introduction to Chemical Analysis for Students of Medicine. Phar- 

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RocouES, X. 



Analyse des alcools et des eaux-de-\ie. Paris, 18 — . Svo. 



Ee cidre. Paris, 1899. Svo. 111. 



Les eaux-de-vie et licjueurs. Paris, 1S98. Svo. 111. 



RODELLA, \'. 



Ea pratica del laboratorio. Osservazioni ed appunti alia via siste- 

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Rodriguez, T. 



Elementos de quimica moderna. Tercera edicion revi.sada y aumen- 

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ROEI.ANTS, M. M. Iv 



Eeerboek der scheikunde voor middelbare scholen voor meisjes. 

 Amsterdam, 189S. Svo. 111. 

 11 



