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 * , 200
 * Adams, J. C., 159-164, 178
 * Aerolite, Appley Bridge, 84
 * Aeroplanes, 67, 7173
 * Air Currents, 143
 * Airy, Sir G. B., 161-163
 * Aldebaran, 267
 * Algol, 131-137
 * Alice in Wonderland, 20
 * American and English discoveries, 179, 180
 * American tourist, 227
 * Andromeda, Great Nebula in, 113–115
 * Andromeda, Split Nebula in, 255
 * Apparatus for Gravity, 22, 45
 * Appley Bridge Aerolite, 84
 * Approach and recession, effects of, 270-277
 * Arcturus, 267
 * Argon, 78
 * Aristotle, 5, 13
 * Astrologers, 157
 * Astronomer Royal, 161–163, 180, 237
 * "Astronomical Reprobate," 133
 * Atmosphere of Earth, 63–81, 143
 * Atmosphere of Mars, 138-144
 * Atmosphere of Moon, 188
 * Atmosphere of Sun, 241-248
 * Atwood's machine, 29
 * Australian Solar Observatory, 231


 * Ball, Sir Robert, 18
 * Balloons, 67, 68, 74–78
 * Balls falling, 7–10
 * Barnard, E. E., 42, 109, 144,180
 * Base for measuring distances, 51–57
 * Bayeux tapestry, 40
 * Bellamy, F. A., 77
 * Bellamy, Miss E. F., 283
 * Betelgeuse, 267
 * Billiard balls, 44, 166, 286
 * Birds flying, 281–283
 * Black drop, 60
 * Bode, 150, 156, 160, 179, 230
 * Bolton, Scriven, 147
 * Boss, Lewis, 280, 288
 * Brahe, Tycho, 14-16
 * Bright stars, 251, 252, 261–263
 * Brightness of Corona, 243, 244
 * British Association, 78
 * Britons, Ancient, 193
 * Bull-roarer, 274
 * Burning-glass, 103, 266

300
 * Calcium Light, 218
 * Camberwell Beauties, 79
 * Cambridge, 26, 27, 161, 163
 * Camera, 91
 * Campbell, Elizabeth, 70
 * Campbell, W. W., 69, 70
 * Canals of Mars, 140
 * Cape of Good Hope Observatory, 57, 116
 * Carrington, R. C., 198, 199, 215, 224
 * Cavendish, Henry, 13
 * Cavorite, 3, 87
 * Cawthron, J., 231
 * Centre of our Cluster, 284–292
 * Ceres, 153-155, 178
 * Chamonix, 88
 * Chinese Sunspots, 197, 204, 206
 * Chromosphere, 216, 217
 * Cigar, lighting a, 50
 * Clark, Alvan, 106-108
 * Cluster, Gravity and centre of our, 284-292
 * Cluster in Hercules, 259
 * Cluster in Taurus, 280
 * Cluster in Ursa Major, 282-283
 * Coelostat, 119–123
 * Coin and Feather, 10