This is the most comprehensive guide you will find with plenty of video's to ensure you get the hang of it. You will also learn how to read Patterns. This is a MUST for beginners and experienced alike!
The Cadeusus / The Tree of Life. According to Walter Friedlander, in The Golden Wand of Medicine: A History of the Caduceus Symbol in Medicine, this connection can be traced back to when the U. Army adopted the caduceus as the insignia