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I was recently reading the journals of Lewis and Clark. They mention
taking several telescopes with them on their voyage. Further research
told me that one of the telescopes was an "Achromatic Telescope." Could
anyone tell me (or refer me to a website) what this type of telescope
is. If there are plans available for this I would appreciate that link
as well. I am mainly interested in being able to see the moons of
Jupiter (gives you an idea of the magnification I am looking for).
Andrew
