328 



Index 



Jeffreys, G. 

 Jellett, J. H. 

 Jenkin, F. 

 Jenner, E. 

 Jenyns, L. 

 Joly, C. J. 

 John of Trevisa 

 Johnson, Thomas 



PAGE 



- 289 



- 137 



- 292 

 264, 306 



- 271 

 137, 174 



- 217 



- 231 



Joule, J. P. 23, 28, 31, 40, 191 

 Equivalent of heat - 26 

 Velocity of molecules - 33 



Journal of Physiology - 302 



Kanthack, A. - .,, - 306 



Kater, Capt. H. . 174 



Kater's pendulum - - 175 



Kelland, P. - _ 234 



Kelvin, Lord (W. Thomson) 42, 



123, 127, 134, 136 



Appreciation of Joule - 41 



Economics of dynamo 



engine - - 192 

 Electric replenisher - 80 

 Second law of thermo- 

 dynamics - 28 

 Submarine cables - 189 

 Kennett, B. - 173 

 Kepler - - 8, 10, 53 

 Hew Observatory - - 209 

 King, J. - - 173 

 King's College, London, 



foundation - - - 143 



Kircher - - - 124 



Kirchhoff - - - 157 



Kite, meteorological - - 176 



Klingenstjerna - - - 93 



Knight, T. A. - - 238 



Krypton, discovery of - 181 



Lacteal vessels in birds, dis- 

 covery of 299 

 Langley, J. N. - - 299, 301 

 Lankester, Sir E. R. . 250, 278, 

 287, 288 



PAGE 



Laplace - - 20, 123 



Larmor, Sir J. - - - 182 

 Lassell, W. - - 169 



Latent heat, see under Heat. 

 Laughing gas - - 110 



Lavoisier - - 14, 55 



Leblanc - 194, 196, 197, 198 

 Lee, S. H. - 301 



Leeds University - - 160 

 Legh, G. - - 221 



Le Gray, G. - - 173 



Leibnitz - - - - 117 

 Length and weight stand- 

 ards, reconstruction - 130 

 Leslie, J. - - 131 



Leverrier, U. J. J. - 126, 127 

 Lexell - 91 



" Liber de Proprietatibus 



Rerum " _ 217 



Liebermann - - 200 



Life statistics - : - 60 



Liebig, J. . - 199, 202 



Light : 



Aberration of - 62, 70 

 Conical refraction - 137 

 Corpuscular theory of - 17 

 Electro -magnetic theory 



of - - 32 



Fluorescence - - 125 

 Infra-red rays - - 93 

 Polarization - 19, 147 

 Refraction - 53, 81, 98, 121 

 Spectroscopy - 152-159 

 Wave theory 17, 18, 55, 56, 

 122, 123 



Lighthouse illumination - 193 

 Lightning conductors - - 205 

 Lindley, J. - 245, 255, 316 

 Lindsay, Lord - - 167 



Linnaeus - - 233, 239 



Linnsean Society - 212 



Lippmann, G. - - 173 



Liquefaction of gases - 139, 213 

 Lister, Lord - - 306 



Liveing, G. D. - - 159 



Load-stone, origin of word - 4 

 Lockyer, Sir J. N. 159, 171, 181 

 Logarithms - - - 7, 48 

 Lloyd, H.- - - 137 



