Society for the Encouragement of National Industry. 3? 1 



12. Spodumene from Utoe in Sweden. 



Silex, 63.29 



Alumina, . - . - 28.78 



Lithina, ----- 5.63 



Black Oxide of Iron, - - .79 



Oxide of Manganese, - - - .20 



Water or loss, - - - - .77 



98.46 



13. An Analysis of Taffelspath of Pargas, (Wollaston 

 ite of Haiiy) by P. A. De Bonsdorf, gave 

 Silex, 



Lime, - - - - - 

 Magnesia, _ - - . 



Oxidule of Iron, - - - 

 Alumine, a trace, Volatile parts, 



99.93 

 The small portions of Magnesia and Oxidule of Iron, are 

 considered as foreign mixtures, and the mineral itself is re- 

 garded as a bisilicate of Lime, hence its mineralogical 

 Formula will be C. S''. 



3. The Society at Paris for the encouragement of JVa- 

 tional industry held a general meeting on the 17th of April 

 1822. M. Chaptal, president, read a discourse relative to 

 the object of the convocation. M. De Gerando, secretary 

 general, made a report upon the proceedings of the council 

 of administration during the past year. Besides the inven- 

 tions which have appeared worthy of the premiums which 

 were adjudged during the session, and of which an ac- 

 count will be given, the persons who obtained the most 

 remarkable success arethe following: — Lenoble, plummer, 

 for his sheet lead, and tubes of lead of all calibres without 

 solder. — Delahaye, for his moveable press house. — Richer, 

 for various mathematical instruments, very well execu- 

 ted. — Larresche, for his reveil or alarm machine, which can 

 be immediately applied to watches of all kinds. — Janssens, 

 for various improvements on the clarinet. — Labbaye, for 

 his copper wind instruments, such as the ophicliede, the 

 french bora and the trumpet : this -artist knovys how to bend 



