Vol. 



33, 



Philosophical Magazine. January 1S0& 



■cBtafe4£€^~. 





CONTENTS of NUMBER CXXTX. 



P^.ip 



I. Result of so'ne Experiments on the Distillation of va- 

 rious Vegetable and Animal Substances ib the dry Way. 

 )AVID MtfSNET, Esq. - 



^T Ii. Description or' a Portable Bridge, invented by Mr. 

 | \mes Elmes, Architect, of College-Hill, Queen-Street, 

 ,yCheapside, London - - - - 



III. Analysis of some Iron Ores in Burgundy and Franche- 

 Comte ; to which is added an Examination of the Pig Iron, 



K Bar Iron, and Scoriae, produced from them. By M. Vau- 



aUHLIN - 



IV. On Hydrophobia j- 



V. On Deal Pendulum Rods 



VI. An Account of a Method of hastening the Maturation 

 §*§J^of Grapes, \\y John Williams, Esq., in a I 



Fit. Hon. Sir Joseph Banks, Bart. K.B. P.R.S. 



Vn. On a new Method of training Fruit Trees. By Tho- 

 as Andrew Knight, Esq., F.R.S., Szc. 



VIII. Proposed Improvement of the Hygrometer. 

 ^ I. Bebzelius V --'".• .4. 



*&$} IX. Materials for a History of the Prussiatcs. By M. 

 *f Phoust ----._ 



X. Observations of a Comet, made with a View to invest 

 ^ pate its Magnitude, and the Nature of its Illumination 



.TLLIAM HERSCHEL, L.L.D. F.R.S. 



Letter to the 



10 



ri 



24 

 3° 



32 

 35 



llated by M. Liiaftal. iiy. C 

 ' XIII. Mr. Davy's Theory 



AfiS vr,r x*. t^ ~, 



ory 



XIV. Mr. Davy's Theory 



XV. Proceedings of Learned Societies 



XVI. Intelligence and Misceil 

 logical Table 



"^~^> 



5CI. On Commerce. Being a second Communication from 

 f'SS Mr. Graham, in Answer to our Correspondent Lapis 



XII. Memoir upon the Vineyards and Wines of Cham- 

 pagne in France : Written in answer to certain Queries circu- 

 lated by M. Ciiaftal. By. M. Gekmon, of Epernay 



* Communications for this Work, addressed to the Editor, at 

 \o. 1. Carey-street, Lincoln's Inn, will meet with every attention. 



TAYLOR AtfD CO. PRINTERS, SHOE LANE f FLEET STREET, 



