INDEX. 
499 
D. 
De Luc , Mr. account of his new hygrometer, p. 404. 
Author of a work on the modifications of the atmof- 
phere, p. 439. 
Denarius , Samnite, of the Veturian family, formerly de- 
fcribed by Mr. Swinton, p. 22. Farther confidered by 
him, p. 23. 
Detonation , by the application of fait of copper upon 
tin-foil, p. 137. 
Dew , its phenomena accounted for, p. 454. 
Dicqnemare , Abbe, on Sea Anemonies, p. 361. 
DiJJohiticn , of water in air, fuppofed analogous to that of 
menftrua, p. 458. Whether really fo, p. 459. 
Douglafs , Sylvefter, Efq. on Tockay and Hungarian 
wines, p. 292. 
Ducarel , Dr. on the early cultivation of Botany in Eng- 
land, p. 79. On the Life of John Tradefcant, p. 
83, &c. 
Vunmore Park. See Cavern . 
E. 
Eddyfione Lighthoufe, fecured from lightning, by a me-’ 
cal lie conductor, p. 58. 
Ecliptic , its obliquity judged to be conftant, from the ol> 
fervations of Arfturus by fume aftronomers, p. 106, 
107. Apprehended to diminifh, from Mr. Hornsby’s 
obfervadons, p. 109, &c. In what proportion, p. 121, 
&c. 
Electrical experiments on charcoal, by Mr. Kinnerfley, 
p. 38. Made by Mr. Brydone upon a cat, p. [67, 
j 68. And with the hairs of the head of a young La- 
dy, p. 169. 
Electrical machine, improved, p. 333. Will work equally 
in ail kinds of weather, p. 339. 
T 1 1 2 Electric 
