Instruments (Subscribe)
Links
Virtual Museum of Measuring Engines
http://www.astro.virginia.edu/~afs5z/engines.html
The history of modern astronomical measurement, emphasis on instruments.
The 28-inch Photo-visual Refractor
Exhibition from the Royal Observatory, Greenwich, that explains the history of this telescope via words and archive photographs.
Sir Martin Ryle - Nobel Lecture
http://nobelprize.org/physics/laureates/1974/ryle-lecture.html
Radio telescopes of large resolving power.
Churches as Scientific Instruments
http://cis.alma.unibo.it/NewsLetter/090496Nw/Heilbron.htm
Solar observatories built into 17th and 18th century cathedrals.
Caltech Astronomy - History
http://www.astro.caltech.edu/observatories/palomar/history/
The telescopes at Mt. Wilson and Palomar.
Antique Telescopes
http://www.antiquetelescopes.org/
An overview with photographs of many lesser known telescopes typical of their time.
Adler Planetarium - Historical Collections
http://www.adlerplanetarium.org/history/
Collection of instruments, past exhibitions, history department information.