36 INDEX. 



Snow and froft, decreafed of late in N. America, Vol. I. p. 275. 



Sore throat, how cured. Vol. II. p. 288. 



Sounds in the Englifli language, a table of, Vol. III. p. 292 — from what. 



borrowed, 296. 

 South-Carolina climate. Vol. III. p. 48. 

 Southern colonics, direftions concerning tlie culture of the grape in. Vol. I. p. 



Soy, or India ketchup, method of preparing it, Vol. I. p. 259. 



S^afim, how cured. Vol. II. p. 225. 



Speedy elevator, a new invented machine for gaining inacceffible heights,, 

 &c. defcription of a, Vol. IV. p. 519. 



Spice-'juood, excellent in fome difeafes, Vol. I. pref. p. ix. 



Spider, its thread placed in a tranfit telefcope by D. Rittenhoufe, with vaft 

 efFeft, Vol. II. p. 183. 



Spirito SanHo, E. Florida (bay of) capable of receiving firft rate fhips of war, 

 VoL I. p. 253. 



Spirits, an eafy method of preferving fubjefls in. Vol. I. p. 244. 



of perfimens. Vol. I. p. viii. — appendix, p. 231, — Vol. III. p. x. — ■ 



of currants, 249. 



of ivine convertible into inflammable air. Vol. IV. p. 19. 



(ardent) obtained from the fugar-maple, Vol. I. pref. t. and from 



perfimons, pref- viii. — appendix p. 231. 



Spring-hhck. See Bloci. 



Standard for weights and meafures. Vol. III. p. 328. 



Stirling ("Lord J h\s account of the comet of 1770, Vol. I. appendix 45. . 



Slaffurdpire chimney, or fire-place, defcribed, Vol. II. p. 25. 



Star ArUurus, his great celerity of motion weftward, Vol. II. p. 224. 



Stars (attendant) difcovered, Vol. II. p. 222 — ufeful for determining the 

 motion of fixed flars, ib. 



— — how to calculate their aberration, Vol. IV. p. 51. 



Steam-engine, a new invented one defcribed for giving motion to water-wheels 

 in certain fituations, Vol. IV. p. 355 — its fuperior advantages, 357. 



Siee!, rubbed againft fteel, produces magnetifm, Vol. II. p. 180. 



Stove (Chinefe) defcribed. Vol. II. p. 33 — propofed addition to it for burn- 

 ing the fmoke, ib. 



Stoves, great favers of fuel, Vol. II. p. 20, 35. 



(German) defcribed. Vol. II. p. 34. 



ibr burning of pitcoal and confuming its fmoke, Vol. II. p. 57. 



Strata of earths beyond the Atlantic mountains lie horizontally. Vol. IV. p., 

 227. 



Sub-marine veffel, a new invented one. Vol. IV. p. 303 — curious experi- 

 ments thereon, 308, 310, 311 — various attempts made on Britifh fhip- 

 ping, 310 — the Britilh fire on and fink it, 311 — origin of the battle of 

 the kegs, 312. 



Sublerranean places, how to diffipate noxious vapours from. Vol. III. p. 324. 



S'lie (Monf.) his manner of preparing anatomical fubjefts in wax. Vol. 11. 

 p. 381. 



Sugar, very nourilliing. Vol. III. p. 74 — its virtues and ufes, ib. — an anti- 

 dote for the plague. Vol. III. p. 75 — manner of making it in the Eaft 

 Indies, 79. 



Sugar-. 



