xi, C O N T E N T rS. 



JULY 1806. 



Engravings of thefoHowing Objects: 1. A Quarto Plate, containing the Appa- 

 ratiis and Furnaces by wliicli tlie extrenle Compressions were measured Jn 

 Sir James Hall's Experiments on the Application of elevated '1 emperatiires 

 to the Carbonate of Limeilnder Compression ; 2. A Quarto Plate containing 

 Sections and Drawings to illustrate the lluttoniah Theory, as establislied upon 

 Sir James Hall's Experiments; 3. An Octavo Plate containing the Tools and 

 Implements for a very simple Method of building Houses of any required 

 Dimensions of Rammed Earth, as is practised near Lyons; one Man's Work 

 being upwards of thirty solid Feet per Day; 4. Aii Octavo Plate containing 

 a measured Drawing ofa Building constructed by that Art. 



I. Letter from a Con-cspondent, enquiring the Cause why a Swell of the Sea is 

 sometimes obser\ed to precede a Storm from the same Quarter. With some 

 Observations by the Editor. . _ . Page 18 j 



II. Enquiries respecting various Subjects relating to the Arts. By Juvenis. 

 With some Remarks by W. N. - - - 189 



III. On the Means of obtaining Stamps (Cliches) with Moulds of Plaster of Paris, 

 Sulphur, or Sealing-wax. By M. Darcet. Read at the Society of Encourage- 

 ment, the 12th of February, ISOG. - - - 191 



IV. Account of a Series of Experiments, shewing the Effects of Compression 

 in modifying the Etfects of Heat. By Sir James Hall, Bart. F. R. S. Edin- 

 burgh. --_.-. igQ 



V. Instructions for building very strong and durable Walls and Houses of any 

 Dimensions of common unprepared Earth, rammed into Moulds, by the Me- 

 thod called Pise, which has been practised from the earliest Times in the Vi- 

 cinity of Lyons, and elsewhere. - - - 213 



VL Considerations of the Oxidation of Metals in general, and on that of Iron 

 in particular. ByM.,Thenard - - - 224 



YU. Abstract of a Memoir on the Dyes obtained from dillerent Species of Club' 

 moss, Lycopodium. Traaslated trom the Swedish of Dr. J. F. Westring, of 

 Nordkoeping, Physician to the King of Sweden, by Eugene Coquebert. 227 



VIII. On the supposed Discoveries of Lavoisier. In a Letter from E. D. 231 



IX. Facts towards forming a History of Gold. By Professor Proust. - 238 



X. Abstract of a Memoir on the Theory of Capillary Tubes. By M. Lap- 

 lace. - - - - - - ' 2i9 ' 



XI. Processes for making clieap and durable Paints with I'ish Oil. By Mr. 

 Thomas Vanherman. - - - - 258 



XII. Letter on the Properties of tempered Steel. From a Correspondent, 

 T.B. - - - ' - - - 250- 



XIII. Description ofa Process for clearing Feathers from their Animal Oil. By 

 Mrs. Jane Richardson. .... 2(j6 



XIV. Note from H.Davy, Esq. F.R. S. 8zc. Sec. on the Fluoric Acid in 

 Water. - - - - - - 207 



XV. Scientific News: — Prospectus of an Establishment to be called the Lon- 

 don Chemical Society, 268. — Anlient Works in America, rcscml)ling l^brtiti- 

 cations, 271. 



AUGUST 



