I N D E X. 
Cur varum Hyperbolicarum Q \uadratura , per Sam. Klingen* 
ftierna, n. 417, p. 47. 
Cyrillus { Nichol .) Account of an extraordinary Eruption of 
Mount Fefuviusy in March 1730, n. 414, j>. 33 6. 
D. 
Davis's Quadrant, n. 423, p. 278* 
Derham (Jd'illiam) Letter to Sir H. Sloane , concerning the 
Froft in Jan . 1737, 417, i6» 
— — Abftradtof the Meteorological Diaries, for 1707, 
I7if, 171 6,n 423,/. 261. 
Defagulier’s {J. T) Experiment of the Friftion of the fe- 
veral Parts of a compound Engine, n. 4^3, p. 292. 
two Experiments of the Fri&ion of Pullies, n. 423", 
p-m- 
— ■ — Experiment explaining a mechanical Paradox, 
n. 419, p. 12 f. 
Diamonds lately found in Brazil r , n, 421, p. 199. 
Dove {John) Letter to Dr. Halley , of a Comet feen Febru- 
ary 2p, I73L. 
Douglas (Dr. James) Account of his Brother’s Book of the 
Cure of Mortifications by the Bark, n. 426, p. 419, 
~ John) of the Cure of Mortifications by the Bark, 
n. 426, p. 429. 
WncWein cerevifue genus , 417, />. 14. 
E. 
Fames John) Account of a Book, entituled, Tuhhfat ilkibar. 
Printed at Confiantinople 1728, n> 424, p. 338. 
Edwards {Anne) a large umbilical Rupture, n. 421. p. zzi B 
Electrical Attra&ion without any Contaft, n. 426, p . 40^. 
Bodies, a Catalogue of them, n . 423, 291. 
Electricity , Experiments by Stephen Gray , /z. 417, />. 1 8 . 
423, />. 287, ». 426, />. 397. 
of Water, by the fame, n. 422, p. izj B 
permanent, n. 423, />. 287. 
convey’d by a Packthread 34 Foot long, hanging 
perpendicular, n. 417, p. z6. 
— - . ■ 1 7 6y Foot long, carried 
horizontally, and fupported by crofs filk Lines, ibid. . 
p. 31, and 88 6 Feet, ibid. p. 44. 
• not interrupted by a Loadftonc, ibid. p B 32. 
~ — — carried feveral Ways at once, ib. p. 32. 
O o o EleClriciiy 
