CONTKNTi. Ill 



ART. »ABK 



XX. Miscellaneous Intelligence. 



I. Mechanical Science. 



1. Professor Oersted on the Barometer. 2. Remarkable 

 Dichroism of Tourmaline. 3. Orthometer and Pleometer, 

 Instruments of Navigation. 4. Arithmometer. 5. English 

 Buhr Stones. 6. Oil for Watch-work, &c. 7. On the 

 Setting of Cutting Instruments. 8. Improved Drawing 

 Tablets. 9. New Green Pigment. 10. Economical Mat- 

 ting. 11. On the Preservation of Manure 219 



II. Chemical Science. 



1. Process for preparing Lithia, by M. Arfwedson. 2. 

 Preparation of Ethiop's Mineral. 3. Preparation of Arse- 

 niuretted Hydrogen. 4. Oxide of Titanium. 5. Cad- 

 mium in Metallic Zinc. 6. Solution of Oxide of Copper 

 in Ammonia. 7. Precipitation of Nitrate of Silver by 

 Chlorine. 8. Analysis of Alum, and Number of Alumina. 

 9. Gas from Coal Tar. 10. On the formation of Ice in 

 Beds of Rivers. 11. Singular Congelation of Water. 12. 

 On the Heat of Solutions crystallized by exposure to Air. 

 1 3. Heat in the Moon's Rays 224 



III. Natural History. 



1. Elevation of the Ocean. 2. Encroachment of the 

 Sea. 3. On the Rock-Crystal of Primitive Marble. 4. 

 Phenomena attending the Earthquake at Zante. 5. Pre- 

 servation of Anatomical Specimens. 6. Use of Phosphoric 

 Acid in Jaundice. 7. Use of Sub-nitrate of Bismuth in 

 Intermittent Fever. 8. Height of the Mountains in 

 Owhyee and Mowee. 9. On the Existence of Mercury in 

 the Waters of the Ocean 230 



XXI. MeteorologicalJournal for the Months ofDecember, 

 1821, and January and February, 1822 236 



