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Telescopes The first record of a device that acted like a telescope was made in October 1608. It came from Holland where the state discussed the patent applications of Hans Lipperhey and Jacob Metius. The records describe a device for "seeing faraway things as though nearby." It was the most simple form of telescope consisting of a tube and a concave lens at one end and a convex lens at the other and gave a magnifying power of three or four times. The earliest known illlustration of a telescope. Giovanpattista della Porta included this sketch in a letter written in August 1609 But the man who made telescopes really famous was Galileo Galilei. By October/November 1609 he had constructed a 24x telescope and made observations of the moon and discovered the four major moons of Jupiter. Galileo's telescopes were simple refracting telescopes that were of less quality than those you can buy cheaply...

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