INDEX 



475 



Bode, law of spacing of the planets, 



307 

 Body, human, regarded as a 



machine, 32 

 Boileau, Bishop, resists the effort 



to suppress new ideas, 220 

 du Bois-Reymond, quotation from, 



253 

 Books, price of, in ancient times, 



175. 



Borelli, ideas on gravitation, 246 

 Bouguer, invention of the helio- 



meter, 333 



Bouillaud, ideas on gravitation, 246 

 Boyle, and Harriot, on laws of 



pneumatics, 242 

 likens universe to Strasburg 



clock, 247 

 Newton's letter to, on gravi- 



tation, 450 

 Bradley, discovers the aberration 



of the stars, 286 

 discovers nutation, 288 

 on movement of the solar 



system, 321 

 Brahma, hatching out the universe, 



401 

 Brewster, Sir David, on Lord 



Bacon, 214 

 account of Newton's discoveries, 



257 

 Brightness of the stars, measure of 



relative distance, 390 

 Browning quoted, 2 

 Bruno, on plurality of worlds, 30 



his life and ideas, 177 

 Buckle, History of Civilisation, 1 1 

 Buffon, his good gorilla, 49 



on origin of the solar system, 402 

 Burning glass, very old, 200 



, his huge debts, 149 

 death of, visited by heavenly 



portents, 269 

 Calculating spirit, its temperature, 



87 

 Camera, used in photographing 



spectra, 348 

 Campo di Fiori, Bruno burned in, 



1 80 

 Canopus, its probable distance and 



grandeur, 337 

 evidences increasing congrega- 



tion of matter, 459 

 lower limit of distance, 360 

 reflections on a planet as large as, 



365 

 Carlyle, quotation from, 316 



Carnot, founds thermo-dynamics, 



415 

 Cassini, fixes the true distance of 



the sun, 229 



Cause, Hume on idea of, 462 

 Cayenne, results of the expedition 



to, 230 

 Celestial mechanics, founded by 



Newton, 260 

 Celoria, distribution of the stars, 



393 



Cena de le Ceneri, La, a work by 

 Bruno, 179 



Central sun, Lambert's idea of, 388 



Centre of solar system, earth as, 

 104 



Ceres, discovery of, 308 



Certitude, beginnings of, 49 



Chaldeans, their measure of the 

 earth, 75 



Chance, Democritus' conceptions of, 



141 

 solar system not due to, 402 



Charles II., his reign the golden age 

 of English science, 263 



Charles the Hammer check of the 

 Saracen, 157 



Charles the Wise founds Royal 

 Library of France, 152 



Charron, the sceptic, Gassendi's re- 

 semblance to, 221 



Chatelet, Madame du, translates 

 Newton's Principia, 265 



Cheerfulness, Democritus' idea of 

 the highest good, 142 



Cheops, orientation of his tomb, 



101 

 its geometrical construction, 68 



Chinese, slight value of their con- 

 tributions, 157 



Chronometer, perfected by Harri- 

 son, 244 



Cicero, his Commonwealth, 116 

 Academics, quoted, 354 

 belief in divination, 269 

 on gravitation, 121 

 on the value of life, 147 

 testimony to Democritus' style, 

 132 



Circle, divisions of, 54 



Civilisation, its former precarious- 

 ness, 14 



revelations of its antiquity, 25 

 ancient, its frail foundation, 127 



Clairaut, mathematical investiga- 

 tions, 295 



Clark, discovery of Sirius* com- 

 panion, 372 



