Eyepiece, from Huygen's 210-Foot aerial telescope | Science Museum Group Collection
Theme 5: The Rise of the Telescope:
Telescope 3, Aerial Telescope, Signed: A. Stech delin, I. Hall sculpsit, plate Z, to S., Stech, Andreas (del.); Saal, Isaak (sc.), 1673, Johannes Hevelius: Johannis Hevelii machinae coelestis pars prior; organographiam, sive
Huygenskijker Oude Sterrewacht Leiden
Incomplete aerial telescope, 1686-1691 | Science Museum Group Collection
China Is Building the World's Largest Steerable Radio Telescope
A Chinese Telescope Did Not Find an Alien Signal. The Search Continues. - The New York Times
What was the aperture of Galileo's telescope that he used to see the rings of Saturn, Jupiter's moons, and the phases of Venus? - Quora