INDEX. 
Electricity convey’d from the Tube, by holding it near the Line 
of Communication without touching it, ib.p. 33. 
Elton {John) a new Quadrant, n. 423, p. 273. 
Eye , extraordinary Tumour in it, n . 426, />. 429. 
F. 
Fluida rotata, de figuris quas inducre pojfunt , 421, p. 240. 
Fluxes , of the Difficulty of curing them, /?. 427./?. 385*. 
Fountain ebbing and flowing, an Artificial, n 424,/). 317. 
Freezing of Rivers proceeds rather from the Continuance of 
the Cold than from the Excefs of it, n. 417 9 p. 18. 
— — ■- of Water inflantaneous, an Inflance of it, n. 418. 
F 19 - 
—■ ■ - at Naples at f y° Thermomet. when at London at 
6y°.n. 424, p. 33 6. 
Frewen (F.) Letter to Dr. Jurin , concerning the Small- 
Pox at Haftings , n. 419, p. 108. 
Friction of the fcveral Parts of a compound Engine, an Ex- 
periment to fhew that it may be reduced to Calculation, 
n. 422, p. 292. 
of Pullies, two Experiments by Dr. Defagulicrs , 
n. 42f, p. 394- 
Froft in January iyif, a Letter concerning it from William 
Derham^n. 417 . p. 16. 
G. 
Gale (Roger) Extradt of Clerk's Diflert. de Stylis veterum^ & 
diverfts Chartarum generibus , n. 420, p. 1 fj. 
Gangrena , &c. Cortice peruviano cur at a , /z. 42(5, />. 434. 
Gfcg, 0.422, p. 233. 
Gingerly Oil, 0. 422, p. 234. 
Gramm , 0. 422,^. 231. 
( Stephen ) Experiments concerning Ele&ricity, n. 41 7,- 
/>. 18, 0. 422,^. 227, 0. 423, p. 287, 0. 426,^. 397. 
Greenwood (Jfaac) of an Aurora Borealis , #.418, />. 1. 
H. 
Hadley (John) new Inftrument for taking Angles, n . 420, 
F 147, 0. 427, />. 341. 
— Obfervations made for the Trial of his Qua- 
drant, (with Corredlions of the Errors) n. 42 f,p. 341. 
Halley (Dr. Edmund) Propofal for finding the Longitude at 
Sea within a Degree, 0. 421, />. i8f. 
Haftings , anAccount of the Smalh Pox there, n. 419, p: 108. 
Heifter 
