An essay with photographs on the construction of the Arecibo radio telescope.

Collection of instruments, past exhibitions, history department information.

An overview with photographs of many lesser known telescopes typical of their time.

The telescopes at Mt. Wilson and Palomar.

Solar observatories built into 17th and 18th century cathedrals.

From the merket to the reflecting telescope in three pages.

Radio telescopes of large resolving power.

The exquisite telescopes crafted by Alvan Clark and his sons helped make the last half of the 19th century a golden age of astronomy.

Exhibition from the Royal Observatory, Greenwich, that explains the history of this telescope via words and archive photographs.

Describes the modernization of the Greenwich Observatory. From the BBC History series.

Historical documents, galleries and information on maintaining and restoring old telescopes.

Ancient astronomical computer.

The history of modern astronomical measurement, emphasis on instruments.