41. Tycho is buried in the Church of Our Lady before T�n, in Old Town Square near the Prague Astronomical Clock . 42. Atkinson's mechanical skills led to a commission to design an astronomical clock for York Minster, the York Minster astronomical clock . 43. It originally stood in the High Choir, behind the Astronomical Clock -the two clocks were intended to use the same mechanism. 44. Atkinson's mechanical skills led to a commission to design an astronomical clock for York Minster, the York Minster astronomical clock. 45. These included a giant armillary sphere and an accurate mechanical astronomical clock for measuring the position and speed of the planets. 46. He gained a reputation as a maker of ingenious and complicated clocks, including many astronomical clocks and clocks showing the tides. 47. This movement, powered only by gravity, makes the Orloj unique in the world among astronomical clocks showing the phases of the moon. 48. Adjacent is a museum showing paintings of Johann Michael Rottmayr, an astronomical clock and an 860 grant deed by King Louis the German. 49. The clock is one of the group of famous 14th to 16th century astronomical clocks to be found in the West of England. 50. He was also a clock maker, he built both a water clock and an astronomical clock and both are still in existence today.