xiv CONTENTS, 



V. On the Solutions and Precipitates of Mercury. By Cit. Berthollet p. i05 



VI. A Chemical Analyfis of Three Species of Whinftone, aad Two of Lava. 

 By Robert Kennedy, M.D. F.R.S. & F.A.S. Edin. p. 407 



VII. Further Remarks on the Enquiries of Dr. Herfchel, refpefting Light and 

 Heat. In a Letter from Mr. John Leflie - p. 416 



VIII. Experiments and Obfervations on the Light which is fpontaneoufly 

 emitted, with fome Degree of Permanency, from various Bodies. By 

 Nathaniel Hulme, M.D. F.R.S. and A. S. - - p. 421 



IX. On Areortietr)' ; more particularly as it relates to Alcohol of different 

 Strengths and Temperatures. By Cit. Haffenfratz - p. 428 



JANUARY 1801. 



Engravings of the following Objefts : 1. Mr. Edgewortli's Panorganon, or 

 Apparatus for teaching the firft Principles of Mechanics. And, 2. A new 

 rotatory Engine for railing Water. 



I. Conftruftion and Ufe of an unlverfal Table of Intereft. By H. Goodwyn, 

 Efq. - - - - p. 433 



II. A Chemical Analyfis of Three Species of Whinftone, and Two of Lava. By 

 Robert Kennedy, M.D. F.R^S. & F.A.S. Edin. (Concluded from p. 415.) 



p. 438 



III. Defcription and Ufe of a cheap and fimple Apparatus for teaching the firft 

 Principles of Mechanics. By Richard LoveU Edgeworth, Efq. F.R.S. and 

 M.R.I.A. - - - - p. 443 



IV. Experiments and Obfervations on the Light which is fpontaneoufly emitted, 

 with fome Degree of Permanency, from various Bodies. By Nathaniel 

 Hulme, M.D. F.R.S. and A.S. (Concluded from page 427) p. 431 



V. Obfervations on the Theory of Eleftric Attraftion and Repulfion. By the 

 Rev. George Miller, F. T. C. D. - - - p. 461 



VI. Defcription of a new rotatory Engine fof raifing water, and for other 

 Purpofes. By a Correfpondent - - p. 466 



VII. Account of a new Method of bleaching Cotton, as publilhed by Chaptal, 

 Member of the National Inftitute. By J. C. Delametherie p. 4«9 



VIII. On 



