834 SEC. 16, GEOLOGY AND MINING. 



(10.) Sierra of Carthagena. Mechanical preparations used in 

 metal works. American crushing machine. Classifying trom- 

 mels. Dividing trommels. Refining trommel. Sieves. Classi- 

 fying cones. Classifying cases. Concave rolling table. Lifter 

 used for minerals. 



(11.) Sierra of Carthagena. Cupellation. Cupellating furnace. 

 General plan of desilverizing works. 



(12.) Drawing representing a statuette o Hercules 0-152 met. 

 H. found at the Esperanza mine in 1840. 



LarnpSjjars. and vessels of different kinds found at the mines of 

 the Sierra of Carthagena. 



Bronze lamp found at Lorca. Bas-reliefs. Fragment of a 

 statue found in a mine of t-he Sierra of Carthagena. Lead bar of 

 the Roman time, with inscription,^ found at the Sierra of Giirtha- 

 gena. 



(13.) Sierra of Carthagena. Mechanical preparation used in 

 lead works. Works at Escombreras. Crushing cylinders worked 

 by steam. Vertical grinders. Classifying trommels. Sieves. 

 Tables for shaking minerals. 



(14.) Topographical and geological plan of the mines and works 

 of San Juan de Riopar (province of Albacete). 



. (15.) Sierra of Carthagena. Geological sections. 



(16.) A geological map of the provinces of Murcia and Albacete. 

 (Spain). 



(17.) Sierra of Lorca. 



Fossil fish found in the sulphur mines. 



v 



(18.) Cerro of Mazarron. View of the vein of mineral of San 

 Juan. Sierra of Orihuela. Pena del Gato. Sulphur mines at 

 Hellin. View of the volcanic cerro of Monagrillo. Cerro of 

 Mazarron. Section of an ancient excavation at Pedreras Viejas. 

 View of the sulphur mines at Hellin. 



(19.) Sierra of Carthagena. Mechanical preparation of minerals. 

 Drawer sieves. Round buddies employed at the sierra. Cylinders 

 used for crushing minerals worked by horse power. Sifters. 



3331. Portions of the Geological Special Map of 

 Prussia and the Thuringian States. 



District of ILFELD, HARTZ ; 6 sections. 

 District of the OHM MOUNTAIN ; 6 sections. 

 District of JENA, on the SAALE ; 12 sections. 

 District of RIECHELSDORF; 6 sections. 

 District of HALLE ; 4 sections. 

 COAL BASIN of SAARBRUCK ; 13 sections. 



