instruments

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• - The history of modern astronomical measurement, emphasis on instruments.
  
• - The telescopes at Mt. Wilson and Palomar.
  
• - Describes the modernization of the Greenwich Observatory. From the BBC History series.
  
• - Collection of instruments, past exhibitions, history department information.
  
• - 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.
  
• - From the merket to the reflecting telescope in three pages.
  
• - Ancient astronomical computer.
  
• - Solar observatories built into 17th and 18th century cathedrals.
  
• - Exhibition from the Royal Observatory, Greenwich, that explains the history of this telescope via words and archive photographs.
  
• - An overview with photographs of many lesser known telescopes typical of their time.
  
• - An essay with photographs on the construction of the Arecibo radio telescope.
  
• - Historical documents, galleries and information on maintaining and restoring old telescopes.