330 



Index 



PAGE 



Nautical Almanac - 37, 63 



Nautilus, Pearly - 265 



Navigation, influence on 



science - - 47, 63, 96 



Nebulae - - 169, 170 



Spectrum of - 172 



Neon, discovery of - - 181 



Neptune, discovery of 125-7 



Neumann, F. - - 122 



Newall, R. - 172, 189 



Newcombe, S. - - 125, 126 



Newcomen, T. - - 101 



Newton, Sir Isaac - - 33, 

 34, 52, 76, 211 



Fluxions - 35, 53 



Gravitation 10, 11 



Laws of motion - >- - jfc 



Light - 53-56, 98 



Tides- - .- ; - 177 



Nicholson, E. C. -> . - 201 



Nicholson, W. - -- 80, 107 



" Nicholson's blue " - - 201 



Nicholson's Journal - 107,111 



Niepce, J. N. - - 173 



Nitrogen, isolation of - - 68 



Nitrous oxide - - 111 



Noble, William - - 50 



Norman, Robert - 3 



North- West Passage - - 175 



Nutation, of earth's axis - 63 



Odling, W. - - 141 



Ohm - 82, 114 



Ohm's law - 134, 147 



Oncometer, renal - - 306 

 Onnes, Kamerlingh - 140 



Optical instruments - 90, 97, 98, 

 169, 170, 172 

 Optics, physiological - - 299 



(See also under Light.) 

 Orchidese - - - 244, 247 

 Origin of Species - 248, 273 



Reception of - 279, 286 

 " Ornithology," Willughby's 259 



Osmosis, G. 

 Otley, J. - 

 Oughtred, W. - 

 Owen, Sir R. 

 Owens, John 

 Owens College - 



PAGE 



- 145 



- 314 



- 94 



- 265-7 y 317 



- 148 



- 148 



Palladium, discovery of - 145 



Papin, D. - 100, 101 



Parallax, stellar - 61, 90, 168 



Parry, E. - 175 



Parsons, Sir C. - - 187 



Pascal - 76 

 Patents examined by Royal 



Society - - 204 



Paxton, Sir J. - - 245 



Peacock, G. - - 118,119 



Pearson, K. - - 286, 287 

 Pendulum : 



Anchor escapement - 95 



" Gridiron " - 96 



Rater's - 175 



Pennant, Thomas - - 262 



Penny, T. - - 220 



Pentane lamp - 141 



Pepys, S. - - 222, 226 



Perkin, W. - 199-201 

 Petrograd Academy - 209,211 



Petrography - - 164 



Phillips, J. - 315, 316 



" Phlogiston " - 14, 84 

 Photography : 



Astronomical - 168-170 



Colour 173-4 



History - - 166, 172-4 

 Physic Garden : 



Chelsea - - 241 



Dublin - - 254 



Lambeth - - 261 



" Physiologus " - - 216 



Physiology - 294-307 



of plants - 237, 249 



Phy to -geography - - 255 



Phytophthera infestans - 250 



Picard - 10, 11 



Pigot, T. - 50 



