👉 Plumbisms are a type of ancient Egyptian writing system that was used to write on wooden scrolls. The system consists of two parts, the "plumb" and the "mushr," which were used for different tasks such as writing letters or making maps. The plumb is made from wood with a groove cut into it, while the mushr is made from clay. The plumb was used to write on wooden scrolls, while the mushr was used for writing on clay tablets or