INDEX. 



AGE of sun's heat, 349-368 

 Ampere, 81, 431 

 Atomic theory, 59, 63 

 Atoms, distance apart, "]\ 



estimate of size based upon, 

 capillary attraction, 



166-174, 175-178 

 kinetic theory of gases, 



213-217 



phenomena ot contact 

 electricity, 161-166, 

 175-178 



undulatory theory of 

 li^ht, 153-161, 174, 

 175, 178-213 

 size of, 71, 147-217 

 Attraction, between a solid and a 



liquid, 20-22, 30-41 

 between different parts 



of one liquid, 10-19 

 between two different 

 liquids, 19, 2O, 22-30, 



47 ' 55 

 capillary, 1-55 



gravitational, 1-4 

 molar theory of, 10-19 

 work done by capillary, 10- 

 16 



BECQUEREL, 210, 212, 283 

 Beethoven, deafness, 264 



Bernoulli, 219 



Blue sky, colour of, 343-347 

 Tyndall's, 196-204 



Bolometer, 318, 319, 321 



Boscovich, 59 



Bottomley, J. T., 221 note 



Boyle, 143, 219, 284 



Bright, Sir Charles, 85 



British Association Committee on 

 electrical standards, 84, 85 



Bunyan's "Gateways of Know- 

 ledge," 253-254 



CAPILLARY attraction, 1-55 

 molecular theory of, 5-10 

 work done by, 10-16 

 Capillary surfaces, 24, 25, 27, 29, 



34-37* 39-42 

 Cauchy, 183-195 

 Cavendish, 2-4, 60, 81, 425-431 

 Cayley, 272-273 

 Clausius, 71 

 Clerk-Maxwell, 52 note, 53-55, 



71, I37-HI 

 Cohesion, 59-63 

 Conductivity, unit of electric, 



126-131 



Coulomb, 81, 122, 423 

 Curve to show one variable, 273- 



278 



