| Fig. | | Page |
| [1.] | The Galilean Telescope | 7 |
| [2.] | Royal Observatory, Greenwich, in Flamsteed’s time | 8 |
| [3.] | Sir Isaac Newton | 10 |
| [4.] | Gregorian Telescope | 10 |
| [5.] | Cassegrainian Telescope | 11 |
| [6.] | Newtonian Telescope | 11 |
| [7.] | Common Refracting-Telescope | 12 |
| [8.] | Le Mairean or Herschelian Telescope | 13 |
| [9.] | 10-inch Reflecting-Telescope on a German Equatoreal, by
Calver | 17 |
| [10.] | Lord Rosse’s 6-foot Reflecting-Telescope | 22 |
| [11.] | Refracting-Telescope, by Browning | 32 |
| [12.] | “The Popular Reflector,” by Calver | 40 |
| [13.] | 3-inch Refracting-Telescope, by Newton & Co. | 41 |
| [14.] | Huygens’s Negative Eyepiece | 46 |
| [15.] | Ramsden’s Positive Eyepiece | 47 |
| [16.] | Berthon’s Dynamometer | 50 |
| [17.] | Cooke and Sons’ Educational Telescope | 52 |
| [18.] | Refracting-Telescope on a German Equatoreal | 67 |
| [19.] | The Author’s Telescope: a 10-inch With-Browning Reflector | 77 |
| [20.] | Sun-spot of June 19. 1889 | 95
|
| [21.] | Solar Eclipses visible in England, 1891 to 1922 | 98 |
| [22.] | Total Solar Eclipse of August 19, 1887 | 98 |
| [23.] | Belts of Sun-spots, visible Oct. 29, 1868 | 104 |
| [24.] | Shadows cast by Faculæ | 109 |
| [25.] | Light-spots and streaks on Plato, 1879-82. (A. Stanley Williams.) | 126 |
| [26.] | Petavius and Wrottesley at Sunset. (T. Gwyn Elger.) | 129 |
| [27.] | Birt, Birt A, and the Straight Wall. (T. Gwyn Elger.) | 130 |
| [28.] | Aristarchus and Herodotus at Sunrise. (T. Gwyn Elger.) | 132 |
| [29.] | Mercury as a Morning Star | 143 |
| [30.] | Venus as an Evening Star | 150 |
| [31.] | Mars, 1886, April 13, 9h 50m | 157 |
| [32.] | Orbits of the Satellites of Mars | 159 |
| [33.] | Jupiter, as drawn by Dawes and others | 178 |
| [34.] | Jupiter, 1886, April 9, 10h 12m | 180 |
| [35.] | Occultation of Jupiter, Aug. 7, 1889 | 186 |
| [36.] | Jupiter and Satellites seen in a small glass | 187 |
| [37.] | Shadows of Jupiter’s Satellites II. and III. | 192 |
| [38.] | Saturn as observed by Cassini in August 1676 | 198 |
| [39.] | Saturn, 1885, Dec. 23, 7h 54m | 201 |
| [40.] | Saturn as observed by F. Terby, February 1887 | 203 |
| [41.] | Apparent orbits of the Five Inner Satellites of Saturn | 212 |
| [42.] | Transit of the Shadow of Titan | 213 |
| [43.] | Uranus and his belts | 218 |
| [44.] | Apparent orbits of the Satellites of Uranus | 221 |
| [45.] | Apparent orbit of the Satellite of Neptune | 224 |
| [46.] | Mars, Saturn, and Regulus in same field, Sept. 20, 1889 | 226 |
| [47.] | Comet 1862 III. (Aug. 19, 1862) | 237 |
| [48.] | Sawerthal’s Comet, 1888 I. (March 25, Brooks) | 237 |
| [49.] | Brooks’s Double Comet, Sept. 17, 1889 | 239 |
| [50.] | Pons’s Comet (1812). Telescopic view, 1884, Jan. 6 | 242 |
| [51.] | Ditto. Ditto, 1884, Jan. 21 | 242 |
| [52.] | Radiation of Meteors. (Shower of early Perseids, 1878) | 263
|
| [53.] | Double Meteor. Curved Meteor. Fireball | 265 |
| [54.] | Meteorite found in Chili in 1866 | 265 |
| [55.] | Meteorite which fell at Orgueil in 1864 | 265 |
| [56.] | Fireball of Nov. 23, 1877, 8h 24m (J. Plant.) | 269 |
| [57.] | Flight of Telescopic Meteors seen by W. R. Brooks | 272 |
| [58.] | Meteor of Dec. 28, 1888, 6h 17m | 277 |
| [59.] | Large Meteor and streak seen at Jask | 278 |
| [60.] | The Constellation Orion | 289 |
| [61.] | Diagram illustrating the Measurement of Angles of Position | 291 |
| [62.] | Double Stars | 301 |
| [63.] | Trapezium in Orion as seen with the 36-inch refractor | 319 |
| [64.] | Nebulæ and a Star-cluster | 336 |
| [65.] | Nebula within a semicircle of stars | 342 |
