Astrolabe H32 50.5 Degrees Ship Plans depicting Saturn with its rings

depicting Saturn with its rings and the known satellites

Dockyard workers

which were dedicated to Lord Howard

south-east

Our exclusive Royal Observatory Greenwich Royal Observatory Greenwich Gold Double Hunter Pocket Watch is part of our gift collection inspired by Time & the Prime Meridian

Astrolabe H32 50.5 Degrees Ship Plans depicting Saturn with its ringsPerfected by Arabic and Persian astronomers, by the end of the seventeenth century the Astrolabe was the most used instrument in the history of Astronomy. One of the basic tools for astronomy education, the astrolabe can be used to tell the time, during the day or the night and to find the time and length of both sunrise and sunset. It can also be used to identify celestial objects in the night sky in order to determine latitude. Still in use today,