Random fact
Copied to clipboard!
Tycho Brahe, a Danish astrologer, used the triquetrum in the 1500s. His small southern observatory built on an island, contained several instruments of astrology including the triquetrum, a small astrolabe, small quadrants, small sextants, an azimuth circle, and an astronomical ring. In the collection was a triquetrum that belonged to Copernicus.
Astrological Instruments > Triquetrum
This is Awesome!
Get me a new One!