Galileo Telescopes serious errors in the optics, the telescopes dimensions, and what one really see's looking through his telescopes found in the literature.
Picture (Cosmology: Tools)
Galileo FS-80Z 800mm x 80mm Reflector Telescope Hammertone - Walmart.com
Refractive Telescopes
Simplified lens schematic of a Galilean telescope with a convex... | Download Scientific Diagram
NOVA | Galileo's Battle for the Heavens | Two Types of Telescopes | PBS
Galileo Telescopes serious errors in the optics, the telescopes dimensions, and what one really see's looking through his telescopes found in the literature.
Build your own Galilean telescope - BBC Sky at Night Magazine
Refracting telescope - Wikipedia
Telescopes and Microscopes
Galileo Telescope Making a Museum Quality Replica for Adler Planetrium of Galileo's IMSS 2427 paper covered Instrument.
optics - How does a diverging lens in a Galilean telescope form an image at infinity when its object is at its focal plane? - Physics Stack Exchange
Project | A Maker Loupe | Hackaday.io
Galileo and the telescope – Explaining Science
Galileo and the telescope – Explaining Science
Galileo and the telescope – Explaining Science
Galileo and the telescope – Explaining Science
How to build a DIY replica of Galileo's telescope | Popular Science
History of Science Society -- Committee on Education