TABLE OF CONTENTS 



TO THIS SIXTH VOLUME. 



SE PTE xM BER, 1803. 



Engravings of the following Objeas; ). Dr. Young's Apparatus for illuftrating 

 the Doarine of Preponderance; 2. Apparatus for Experiments with Spouting 

 Fluids; 3. A Lock of Combination, by M. Regnier; 4. Sohu- Phenomenon 

 oblbved by Sir Henry Englefield, Bart. 5. Figure to fliew the Proportions of 

 the magnified Images of the fame Star at different Times. By Dr. Herichelli 

 6. Sir A. N. Edelcrantz's Method of eafily raifing Water m Worm Tubs, 

 Condenfers, &c. 7. Eudiometric Apparatus, by Dr. Hope. 



I. Experiments and Obferv.itions on the Compound of Sulphur and Phof- 

 phorus, and the dangerous Explofions it makes when expofed to Heat. By 

 Frederick Accum, Praftical Chemift and Teacher of Chemiftry. Com- 

 municated by the Author. -_------* 



II. Obfervatlons of the Tranfit of Mercury over the Diflc of the Sun ; to 

 which is added, an Inveftigation of the Caules which often prevent the 

 proper Aaion of Mirrors. By William Hedchell, LL. D. F. R. S. 8 



III. Obfervatlons on the Chemical Nature of the Humours of the Eye. By 

 Richard Chenevlx, Efq. F. R. S. and M. R. I. A. - - - 'Jl 



IV. A Letter from Mr. Irvine concerning the late Dr. Irvine, of Glafgo\r, 

 his Doftrlne, which afcribes the DifappcaVance of Heat, without Incrtale of 

 Temperature, to a Change of Capacity in Bodies, and that of Dr. Black, 

 which fuppofes Caloric 'to become latent by chemical Combination with 

 Bodies; with particular Remarks on the Milhikes of Dr. Thompfon, in his 

 Accounts of thefe Doftrines. .._---- i?j 



V. An Account of fome Experiments and Obfervatlons en the conftituent 

 - Parts of certain Allringent Vegetables; and on their Operation in Tan- 

 ning. By Humphry Davy, Efq. Profelfor of Chemiftry in the Royal Infti- 

 tution. ----- 31 



VJ. An eafy Method of raifing Water for the Purpofes of Refrigeration in 

 Diftilleries, Steam Condenfers, &c. By Sir A. N. Edclcrantz ; communi- 

 cated by the Inventor. - - - - - - " "^^ 



VII. Defcription of a new Padlock of Security with Combination. By Citi- 

 zen Regnier. __..----' 4.) 



VIII. Obfervatlons on the Quantity of horizontal JRcfraaion ; with a Method of 

 meafuring the Dip at Sea. By William Hyde Woll.ifton, M. D. F. R. S. 46 



IX. An Account of Two Halos, with Parhelia. By Sir H. C. Englefield, 

 Bart. F. R. S. • bi 



X. A Defcription of Dr. Young's Apparatus for Illuftrating the Doarine cf 

 Preponderance, with an Account of an Experiment on the Velocity of Water 

 flowing through a Vertical Pipe. ------ 5i> 



XI. Account of a fimple Eudiometric Apparatus conftruaed ?hd ufed by 

 Dr. T. C. Hope, F. R. S. Edinburgh. . . - - - CI 



Scientific News, 62.— Combuftion of Metals in non-refpirablc Gales, by means 

 of Galvanifm - - ib. 



OCTOBER, 



