7. Showing amount of Light received by Different Planets
8. Measuring Intensities of Lights
9. Reflection and Diffusion of Light
10. Manifold Reflections
11. Refraction by Water
12. Atmospherical Reflection
13. Refracting Telescope
14. Reflecting Telescope
15. The Cambridge Equatorial Refractor
16. The new Reflecting Telescope at Paris
17. Spectroscope, with Battery of Prisms
18. Spectra of Glowing Hydrogen and of the Sun
19. Illustrating Arcs and Angles
20. Measuring Objects by observing Angles
21. Mural Circle
22. Scale to measure Hundredths of an Inch
23. Spider-lines to determine Star Transits
24. Illustrating Triangulation
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25. Measuring Distance to an Inaccessible Object
26. Measuring Elevation of an Inaccessible Object
27. Illustrating Parallax
28. Illustrating Stellar Parallax
29. Mode of Ascertaining Longitude
30. Relative Size of Sun, as seen from Different Planets
31. Zodiacal Light
32. Corona of the Sun in 1858--Brazil
33. Corona of the Sun in 1878--Colorado
34. Solar Prominences of Flaming Hydrogen
35. Changes in Solar Cavities during Rotation