r INDEX. 17 



Attraction manifested at sensible distances })y solid surfaces, moist- 

 ened by and immersed in a liquid, xx. 379-3S3 

 Attrition, the cause of the light emitted on discharging an air- 

 gun, XV. 66 

 Augite, (foliated) of Carinthia, analysis of, xii. 269-271 

 Aurora Borealis, remarks on the height of, vii. 188 



remarkable notice of, viii. 357, 35S. Notice of, ix. 210 



results of observations on, xviii. 185 



Avignon, notice of antiquities, discovered at, v. 385 



wines of, xviii. 127, 128 



Axes, (stone) ancient, discovered in France, v. 145 



Axletree, moveable, notice of, v. 121 



Azimuth compass, directions for using, v. 219-221 



Baader (Chevalier), observations of, on the explosions of steam 



engines, iii. 195, 196 

 Babbage (Charles, Esq.), demonstrations' by, of some of Dr. 



Matthew Stewart's general theorems, i. 6-19. His account of 



some new properties of the circle, 19-24 

 • — observations of on the calculus of functions, i. 290, ii« 



371-379 



note of, respecting elimation, iii. 355-375 



on the application of machinery to the purpose of cal« 



culating and printing mathematical tables, xiv. 222, 223 

 and J. F. Herschell, Esq., repetition of M. Arago's ex* 



periments on the magnetism, developed during the act of rota* 



tion, xix. 276, 277. xx. 355 

 Babington (Dr.), on a peculiar vegetable product, possessing the 



principal properties of tallow, xix. 179-184 

 Babylonian cement, analysis of, v. 130 

 Bacon (Lord), scope and influence of the philosophical writings 



of, considered, v. 173, 174 

 requisites of, for secret writings, x. 89. Ohservations 



thereon, 90-91 



