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Metius
Adriaan Adriaanszoon, called Metius, (9 December 1571 – 6 September 1635), was a Dutch geometer and astronomer. He was born in Alkmaar. The name Metius comes from the Dutch word ''meten'' ("measuring"), and therefore means something like "measurer" or "surveyor." ==Father and brother== Metius was born at Alkmaar, North Holland. His father, Adriaan Anthonisz, was also a mathematician, land-surveyor, cartographer, and military engineer who from 1582 served also as burgomaster of Alkmaar. Metius' brother, Jacob Metius, worked as an instrument-maker and a specialist in grinding lenses. Also born in Alkmaar, Jacob died between 1624 and 1631. Not much of him is known besides the fact that in October 1608, the States General discussed his patent application for an optical telescope of his own invention described as a device for "seeing faraway things as though nearby", consisting of a convex and concave lens in a tube, and the combination magnified three or four times.〔(galileo.rice.edu )〕
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