6 



Instruction in Practical Chemistry, Mineralogy and 



Geology. 



The subscriber has opened a New Laboratory for giving in- 



struction in Practical Chemistry, Mineralogy and Geology, ac- 

 cording to the method which he has pursued successfully during 

 the past thirteen years in this city. 



The various applications of Chemistry to Manufactures, Agri- 

 culture, Medicine and Pharmacy, will receive special attention. 

 Analyses of Ores, Minerals, Soils, Waters, Vegetable substances, 

 and the productions of Art, will be carefully executed. Where 

 it is practicable, researches will be instituted and opinions given 

 on all chemical questions. 



A commodious and well furnished Laboratory, a large and se- 

 lect Library of scientific and practical works in the English, Ger- 



man and French languages, together with mineral, geological 



and technical collections, offer every facility to the student. 



Refer to Dr. Robert Hare, Prof. J. F. Fraser, University of 

 Pennsylvania. — Dr. R. M. Patterson, Prof. R. S. McCulloch, 

 U. S. Mint. — Dr. Franklin Bache, Jefferson Medical College; 

 and to numerous students in Philadelphia and various parts ot 

 the United States. 



Apply to Wm. Hamilton, Actuary of the Franklin Institute, or 

 to the subscriber, JAS. C. BOOTH, 



At the Laboratory, 217 Arch st., nbove Sixth, in the Arch st. Hall. 

 Philadelphia, May t,184& 



MINERAL CABINETS FOR SALE. 



A Cabinet of Minerals, believed to contain a specimen of 

 every known mineral, carefully collected and arranged by a dis- 

 tinguished professor. The cabinet would be a valuable acquisi- 



tion to a college. 



ALSO. — A Cabinet of Minerals, Organic Remains, &c, 



well selected and in fine order — about one thousand specimens 

 •suitable for a school, academy, or lyceum. Apply to 



B. W. BROOKS, 54 Wall st. 



New York, Sept. 14, 1848. [Nov. 1 848. — 2t] 



