Tt CONTENTS. 



MARCH, 1807. 



Engravings of the following Objects: 1, A Calorimeter, by Montgolfier fop 

 measuring the relative Efllxls of Fuel; 2. Apparatus used in the Manufactory 

 of forged Iron Vessels. 



I. Experiments on Palm-Oil, by John Bostock, M. D. Communicated by the 

 Author. ------ 161 



II. Description aad Use of a Calorimeter, or Apparatus for determining the 

 Degree of Heat, as well as the Economy attending the Use of various Kinds 

 of Fuel. By M. Monigolrier. - - - - 167 



III. Letter from Mr. Hume, ef Long Acre, respecting the Carburetted Hidrogen 

 Gas procured from Coals, by Dr. Clayton, early in the last Century. 170 



IV. Curious Observations on the Windj by Roger Asham. In a Letter from a 

 a Correspondent. - » - - - 17 i 



V. Observations on the Marine Barometer, made during the Examination of the 

 Coasts of New Holland, and New South Wales, in the Years 1801, 1802, 

 and 1803. By Matthew Flinders. - - - 173 



VI. Analysis of the Substance known bv the Name of Turquois. By M. Bouillon 

 La Grange. - - ' - - - 182 



VII. Account of Mr. Curwcn's Method of Feeding Cows, during the Winter 

 Season, with a View to provide Poor Persons and Children with Milk at that 

 Time. ------ ipo 



VIII. Some Account of the Manufacture of Forged Iron Vessels, at Fromont. 

 By M. C. Hersart. - - - •> - 190 



IX. Description of an Astronomical Circle, and some Remarks on the Construc- 

 tion of Circular Instruments. By John Pond, Esq. - - 200 



X. On the Utility of the Lichen of Iceland as Food, By Professor Proust. 210 



XI. On the breeding and feeding Game Cocks. By Sir John Sinclair. 2 1 7 



XII. Observations on the Culture, Propertiefr, and comparative Strength of 

 Hemp, and other Vegetable Fibres, the Growth of the East Indies. By 

 Dr. William Roxburgh. - ' - - - 223 



XUI. Some Account of a very Singular and Important Alum Mine near 

 Glasgow. - - - - - - 232 



XIV. Method of Weaving Cloth of a surprisingly fine Quality, By Mr. William 

 Neven. - - - - - " " - 2o5 



XV'. E.xtract of a Letter from Mr. H. Sttiinhauer. - - 237 



XVI. Letter to the Editor, concerning the Blacking for Leather, - 237 



XVn. Scientific News:— Astronomy, 239— Beavers in Westphalia, ib.— Letter 

 from the Rtv. Pela Uobf:is, A. M. ib. 



APRIL 



