1. The Beginnings of Astronomical Observation2. Early References to Lenses and to Optics3. The Application of the Telescope to Astronomy żeby Galileo4. Descartes' Failure to Improve the Telescope5. Newton's Dispersion Investigations6.
Gascoigne and Picard Use Telescopic Sights7. The Telescopes Used żeby Herschel at Bath8. Hall's Invention of the Achromatic Lens9. Guinand's Contributions to Flint-glass Manufacture10. Rosse's Experiments with Compound Specula11.
Cassini IV's Trouble at the Paris Observatory with French Instrument-workers12. The First American Observatories13. Liebig's Silvering Process14. Early History of Spectrum Analysis15. Visual, Photographic and Photovisual Refractors of the Late Nineteenth Century16.
Hale's Invention of the Spectroheliograph17. The Zeiss Foundation--Interesting Zeiss Telescopes18. The 74-inch Toronto Reflector and Smaller Grubb-Parsons Telescope19. Large Telescopes Built by Amateurs Index