Chimneys and Tubules of the Galaxy

  • William Sheehan
  • Christopher J. Conselice


In addition to everything else he was doing, William Herschel continued to crank out telescopes. He constructed five 10-foot telescopes on the express command of George III, and began to receive orders for seven-foot refl ectors similar to the one he had used to discover the “Georgian,” eventually producing two hundred of this model alone, on a commercial basis, many to royalty and foreign dignitaries and wealthy amateurs, but at least a few to observatories (Radcliff e, Armagh, Greenwich, Dorpat) or to serious individual astronomers (such as Johann Schroeter at Lilienthal, in Hanover, and Giuseppe Piazzi in Sicily). Th e income he obtained this way enabled him to make “expensive experiments for polishing mirrors by machinery.”


Globular Cluster Star Cluster Astronomical Observation Bright Star Large Magellanic Cloud 
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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • William Sheehan
    • 1
  • Christopher J. Conselice
    • 2
  1. 1.WillmarUSA
  2. 2.School of Physics and Astronomy University of NottinghamNottinghamUK

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