•.VI 



C K T E 4J 'T 'K 



111 Experiments and Obfervaf i6n$' on the Pi'dfici-tieg of Wirt'd Inftruments; con- 

 fiding of a fingle Pipe or Channel ; with Improvements in their Conft^uftion.' 

 By Mr. William Cbfe. --.i': .' ■ • •. .c .. ' ^p. 213 



IV. On the Production of artificial Cold by !Means of Muriate of Lime. By 

 ■ Mr. Richard Walker. {Phil. Tranf. 1801.) ♦ - p. 222 



V. Direflions for extra£ling the Gum from the Lichen, or Tree Mofs, Sic. 

 . " Jiy the Eari of Dundonald. - - - - p. 228 



VI. On tlie Nature of Galvanifin, Eleftricity, Heat, the Compofition of Water, 

 and the Theory of Chemifiiy. By a Corrcfpoadent. - p. 231 



^*II. Notice refpefting the new Method of Bleaching, and its Application to 

 the Wafliing of Linen Garments. By Citizen ChaptaJ. - p. 233 



Scientific News, Accounts of Books, &c. - - p. 235 — 240 



Notice relative to the Gadolinite. By Cit. Ilauy.— Note rdaiive to the new F.nitli denominated 

 Yttria. By M. Klaproth. — Note on Filiated Ahimine and Pliofpliate of Copper. — On a new 

 Manner of preparing the Acetic Acid. By Cit. Badollier, Apothecary at Chartres. — On the 

 I'liofphoreCcent Properties of the Medullary Siiliftance of the Brain and Nerves, extrafted from 

 a Memoir of Cit. Cabarris, read before the National Inflitute. — Combuftion of Metals by Gal- 

 vanifm. — Galvanic luminous Signs of the two Eleftric Powers. 



OCTOBER 180L 



Engravings of the following Objefts: 1. Figures illuflirative of Dr. Young's 

 Refearches into the Nature of Vifion ; and, 2. An Inftrument for accurately 

 determining the Points of diftinfit Vifion, and confequently the general Struc- 

 ture of the Eye. 



I. New Theory of the Conftitution of mixed Aeriform Fluids, and particularly 

 of the Atmofphere. By Mr. John Dalton. - - p. 241 



II. On the Opinion or Inference that the Chemical A£tIons of Light and Heat 

 are the fame. By Mr. R. I larrup. - - - p. 245 



III. Memoir on a Method of Houfe Painting with Milk j by Antony Alexis 

 Cadet-de-Vaux. - . . , . _ " » p. 247 



IV. On the Mechanifm of the Eye. By Thomas Young, M.D. F.R.S. p. 253 



V. On the Meafurc of a Ship's Departure by the Re-a£tion of the Fluid through 

 which it paflTes. By John Cooke, Efq. - - p. 265 



4 VI. Report 



