LIST OF ILLUSTRATIONS (2)

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FIG. PAGE
1. Principle of Galilean Telescope 3
2. Principle of Common Refractor 3
3. Dorpat Refractor 7
4. Thirty-inch Refractor, Pulkowa Observatory 10
5. Principle of Newtonian Reflector 11
6. Lord Rosse's Telescope 11
7. Herschel's 4-foot Reflector 13
8. Star—Correct and Incorrect Adjustment 20
9. Small Telescope on Pillar and Claw Stand 25
10. Telescope on Tripod, with Finder and Slow Motions 28
11. Equatorial Mounting for Small Telescope 28
12. Eight-inch Refractor on Equatorial Mounting 32
13. Four-foot Reflector, equatorially mounted 36
14. Drawing of Sunspot 53
15. ”” 53
16. ”” 56
17. ”” 57
18. ”” 57
19. Eclipses of the Sun and Moon 69
20. MercuryasaMorningStar.W.F.Denning,10?inchReflector 85
21. The Tides 102
22. Lunar Craters 108
23. ”” 118
24. Mars 145
25. Jupiter 157
26. Saturn 184

                                                                                                                                                                                                                                                                                                           

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