- Very Early Telescope by Voigtländer & Sohn, b...
- Italian Refracting Vellum Telescope, c. 1750...
- Brass Refracting Telescope by Salmon, c. 1870...
- Large Brass Telescope, c. 1840...
- 3 interesting Telescopes, c. 1840...
- 2 Brass Telescopes...
- "Analytische Dioptrik" by Georg Simon Klügel...
- 10 Books about ...
- Gregory-Style Reflecting Telescope, c. 1780...
- English Reflecting Telescope by Dollond, c. 1...
- "Utzschneider und Fraunhofer" Brass Telescope...
- 4 Telescopes on Decorative Stands, 19th Centu...