The siltstone Sabu disk was discovered by Walter Emery in 1938 at the Saqqara Necropolis south of Giza. It is named after an official in whose mastaba tomb it was found. Dating from the First Dynasty around the 30th century BCE, few such objects have ever been found with a bizarrely modern, steering wheel-like design. Because of its three unique lobes and arches with a hole and socket in the middle, archaeologists have provided competing theories as to its original purpose. These range from offering a tray (the most mainstream…
