👉 A telegraphoscope is a type of telescope that uses mirrors to reflect light onto a screen, allowing viewers to see distant objects. The device was invented in the 17th century and has since been used for astronomical observations. It consists of two telescopes connected by a long arm called a "telegraph" or "telegraph pole." The telegraph pole is usually made from a metal rod that is bent into a shape resembling a telescope mirror. When an astronomer places their eye on
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