Astrolabe Key Ring – KR105

Description

Astrolabe Key Ring – KR105   Brass Astrolabe Key Ring is a great gift idea for the astronomer, space lover and sailing fan. Astrolabes were used by sailors in astronavigation and by great scientists to determine ecliptic and equatorial coordinates. It was possible to make mathematical calculations on them, determine the time of sunrise and sunset, the length of the day, or determine the astronomical altitude of the sun and stars.    Product information: Material: brass Color: brassDimensions: dia 5,5cm, total length 7,5cm  Astrolabe keychain will work well as: Gift for astronomerGift for a space loverGadget for a sailing fan