CONTENTS. vii 



AUGUST, 1810. 



Engravings of the following Subjects: 1. An Iron Cylinder burst by Electricity: 

 2, Arrangement of the Strata of the Hill of Durbuy, in France: 3. Mr. 

 Mason's Trochar for the Relief of Hoven Cattle: 4. Mr. Fisher's Churnstaff: 

 5. Mr. Tansley's Shag Cutter. 



I. Analysis of the Galvanic Pile. By J. A. De Luc, Esq. F. R. S. 241 



II. On the Botryolite or Grapestone: by Count Dunin Borkowski 273 



III. An Analysis of several Varieties of British and Foreign Salt (Muriate of 

 Soda,) with a View to explain their Fitness for different economical Purposes. 

 By William Henry, M. D. F. R. S. V. P. of the Lit. and Phil. Society, and 

 Physician to the Infirmary at Manchester - - 273 



IV. Action of the Electric Fluid, by which an Iron Cylinder an inch and half 

 thick was torn asunder ; in a Letter from Mr. *** to J. C. Delametherie 285 



V. Observations on the preceding Experiments. By J. C. Delametherie 288 



VI. Arrangement of the Strata of the Hill of Durbuy, in the Department of the 

 Sambre and Meuse: by J. J. Omalius de Halloy - - 290 



VII. Method of stabbing Hoven Cattle, to discharge the Rarifled Air from the 

 Stomach, when they have been overfed with moist Clover Grass : communi- 

 cated by Mr. W. Wallis Mason, of Goodrest Lodge, near Warwick 294 



VIII. Description of a Swivelheaded Churn Staff, to facilitate the making of 

 Butter: by Mr. Timothy Fisher, of Ormskirk, Lancashire - 296 



IX. Improvement in Cutting Silk Shag Edgings : by Mr. Peter Tansley, at the 

 White Horse, Wheeler Street, Spitalfields - - 298 



X. Observations on the Combustion of several Sorts of Charcoal, and on Hi- 

 drogenGas: by Theodore de Saussure - 300 



XI. On Meteorological Nomenclature, in Answer to Luke Howard, Esq. By 

 J. Bostock, M. D. - - - 310 



XII. Method of increasing the Durability of Tiles: by Count von Mellin 312 



XIII. Extract of a Letter from Prof. Kries, of Gotha, to Mr. Gehlen, on Ra- 

 diant Heat - - - - - 314 



XIV. Method of keeping Green Pease and French Beans - 316 



XV. On the Art of printing from Stone: communicated by a Correspondent 



317 



Scientific News. - - - - - 3 IT 



Meteorological Journal. . - - - 329 



SUPPLEMENT. 



