CONTENTS. 
On the Camphoric Acid, considered as a peculiar Acid 146 
Observations on Electrical and Chemical Terms ..  «. 175 
On the Simplification of Mathematical Analyses i 7 
On the Employment of Oxygen Gas in suspended Animation 190 
On the Existence of Alcoholin Wine .. .. .. .. 192 
Experiments tending to prove, that neither Sir Issac Newvon, 
HERSCHEL, nor any other Person, ever decomposed incident 
or impingent Light into the prismatic Colours .. .. 193 
On Colours, as applicable to the Purposes of the Artist... 197 
On the pretended Formation of Oxalic Acid in a Mixture of 
Alcohol and Sulphuric Acid 1. .. 4. ee 200 
The Propagation of Sound, according to the Newtonian Theory, 
demonstrated ;—with Remarks on the one advanced by La 
Prace, and other Observations ..  .. 1. oe ae 201 
On the supposed Evolution of Heat JSrom Vegetables .. 208 
Foncess forcabtainina: lode 0!) 0) pe ces ca dag 209 
Correction of a typographical Error which occurs in the State- 
ment of Mr. Accum’s Process of preparing Iode .. 210 
Een premmrgu Iodine. PS ei I aes ez ae OE 
On the Capacity for Heat, or Calorific Power, of Liquids 212 
Influence of atmospheric Moisture on an Electric Column com- 
posed of Discs of Zinc and Silver .. .. .. 241, 363 
RPA a3 cok Dit ON wine obey to BED 
facts and Observations towards a History of the Combinations 
of the yellow Oxide of Lead with the Nitric and Nitrous 
SPN ROR Woks gli ER ee Mikel 262, 341 
On Electrical Phenomena; and on the new Substance called 
Pode’ 5 5 oe eae 
On Alcohol or Spirituous Liquors, and on the Changes which 
they undergo on being rectified with alkaline, saline, earthy, 
and other Substances; to which is subjoined a simple Process 
Jor obtaining highly dephlegmated Spirits of Wine without 
Injury to its constituent PeemeMseeT viscose Oa ee 
Description of a Hydro-pneumutic Blowpipe for the Use of 
Chemists, Enamellers, Assayers, and Glass-blowers 280) 
Description of a mechanical Substitute Sor Leeches, in Bleeding 
286 
Hints to Cultivators of the Basar CUne ves ahh: nylo on | BED 
Experiments upon Mushrooms ., .. .. .. .. 292 
Analysis of a new Variety of Ore of Antimony .. .. 299 
Process for making a useful Paste from Potatoes, for the Use 
of Weavers, Bookbinders, Trunkmakers, Upholsterers, Sc. 302 
Description of a splendid Meteor seen at Dublin on the \ 7th of 
0 NE ERR op a SR aN ye 
Improvement in the Axis of large Water-Wheelss to prevent the 
Gudgeon from Gelling loose in the Shaft, or to repair it when 
gE i. a a eG we oe See BOL 
