TABLE OF CONTENTS 



TO THIS TENTH VOLUME. 



JANUARY, 1305. 



Engravings of the following Objects: 1. Ancient Egyptian Engraving in Sym- 

 bols, fuppofed to be. aflronoraioal } 2. Figures by C. Wilkinfon Efq. to il- 

 luftrate the Galvanic Charge. 



I. Concerning the original Inventors of certain philofophical Difcoveries : tTie 

 Refkaion of Cold; Compreflion of Water in a metallic Veffd ; the Te- 

 lefcope; and a perlpedlive Inftrument formerly defcribed. In a Letter from 

 Sir H. C. Eugleficld, Bart. M. P. F. R. S. &c. &e. - Page 1 



II. Account of an ancient Egyptian Sculpture with Hieroglyphics, fuppofed 

 to relate to Aftronomy. In a Letter from Mr. H. Steinhauer. With an 

 Engraving. - 



III. Extract of a Memoir on the fuming Liquor of Cadet. By Citizen The- 



nard. 



IV. Account of Cerium, a new Metal found in a mineral Subftance from 

 Baftnas, in Sweden. By W. D'Helinger and J. B. Bergelius. - 10 



V. New Experiments on Abforption by Charcoal, made by Means of a new 

 Machine. By C. L. Morozzo. - _ - - - 12 



VI. Farther Obfervations on the Conftitution of mixed Gafes: In a Letter 

 from Mr. John Gough. ----- 20 



VII On two Metals, found in the black Powder remaining after the Solution 

 of Platina. By Smithfon Tennant, Efq. F. R. S. From the Philofophi- 

 cal Tranfaftions for 1804. ----- 24 



VIII. Remarks upon certain Obfervations of Mr.. Wilkinfon, refpefting 

 Galvanifm. By Ra. Thickneffe, Efq. - - 30 



IX. Abftraft of a Memoir on the Poffibilitv of obtaining Pruffiate of Potafh free 

 from Iron; the Unalterability of the Pmffic Acid at high Temperatures i 

 and the true Nature of the Combinations of this Acid with different Bales. 

 By Bucholz. ------- 32 



X. On a new Metal, found in crude Platina. By William Hyde Wollaf- 

 ton, M. D. F. R. S. From the Philofophical Tranfaaions, 1S04. 34 



XI. Letter from Mr. Wm. Wilfon, exhibiting the Elearicity of Metals, 

 without the Help of any condenfing Inftrument. - - 42 



XII. Analytical Experiments and Obfervations on Lac. By Charles Hatchett, 

 Efq. Partly abridged, but chiefly extracted from the Philofophical Trans- 

 actions for 1804; by W. N. - - - - - 43 



XIII. Galvanic Illuftrations and Remarks. By C. Wilkinfon, Efq. 56 



XIV. On the Devitrification of Glafs, and the Phenomena which happened 

 during its Cryftallization. By Dartigues. - - - 5S 



FREBRUARY. 



