INDEX. 



Cumberland, G. Esq. bis description of 

 •I very simple and useful scale for di- 

 viding the vanishing lines in perspec- 

 tive, 1 — On the culture of Grapes, 

 140 



Cummipgs's treatise on clock and •watch 

 work, 159 



Curwen, Mr. his method of feeding 

 covfs during the winter season, with a 

 view to provide poor persons and chil- 

 dren with milk at that time, 190 



Cuthbertson, Mr. communication from, 

 101 



D. 



Dairies, improved management «f, 190 



Dale, David, Esq. 326 



Palton, Mr. his essays on the consti- 

 tution of mixed gases examined, 4 



Dambsy, M. 183 



Davy, H.Esq. his lecture on the che- 

 mical agency of electricity, 79 



Dcsmaret's memoir on volcanic produc- 

 tions, 281, 286 



Dolland, Mr. his object glass microme- 

 ter, 25 



Door latch, an improved one, 155 



D. M. answer to his inquiry, 160 



Drag for raising the bodies of persons 

 who have sunk under water, 273 



Drains, see Catch-water drains 



Drawing perspective, a simple and use- 

 ful scale for dividing the vanishing 

 lines in, 1 



Du Hamel on the circulation of sap in 

 trees, 61, 66 



Duncan, Professor, 337 



Dundonald, Lord, 215 



E. 



Ebullition does not remove all tb,e oxi- 

 gen from water, 76 



Edgworth, R. L. Esq. correction of an 

 omission in his paper inserted in page 

 82, vol. XV. of this Journal, 160 



Edwards, Rev. Mr. his improvements in 

 the composition of the specula for re- 

 flecting telescopesj 31, 38, 56 



Egan, Dr. his experimental inquiry 



into the nature of gouty and gravelly 



concretions, 835 

 Egremont, earl of, 73 

 Ejoo, a very valuable palm of India, 



which produces horsehair-like fibres 



for the manufacture of cordage, 231 

 Electric light, absorption of by different 



bodies, 101 

 Electricity, chemical agency of, 79 

 Engleficld, Sir H. C, 7^'--His method of 



adjusting a transit instrument in a 



plane of the meridian, 291 

 Engraving with the dry needle, utility 



of, 3 

 Evelyn's ' French Gardener,' 144 

 Eudiometric methods, experiments on, 



75 



F. 



FaJen, Mr. geographer to his Majesty, 



73 

 Ferber, Mr. 278, 281, 285 

 Fir-tree, experiments on a, 67 

 Fir-trees of Norway, 145 

 Fire-engine, a portable, 318 

 Fleas, inquiry respecting the means of 



destroying, 324 

 Flinders, M. Esq. his observations upon 



the marine barometer, made during 



the examination of the coasts of New 



Holland and New South Wales, &c. 



107, 173 

 Flint, Mr. A. his expanding band- wheel 



for the regulation of the velocity of 



machinery, 126 

 Fond, Mr. St. on basalt, 280, 289 

 Fontana's experiments on the nervous 



system, 348, &c. 

 Fourcroy, M. on iron as a colouring 



matter, 180 

 Frqmont, manufacture of forged iron 



vessels at, described, 196 

 Fuel, economy in the use of, 167 



G. 



Galvanism, account of. a fact not hi- 

 therto observed in, 81 



b2 Game 



