kierrelevyjä
Kierrelevyjä, often translated as "spiral records" or "grooved plates," are a category of historical artifacts characterized by a distinct spiral pattern etched onto their surface. These objects, found in various archaeological contexts, typically consist of flat, circular or disc-shaped pieces made from materials such as stone, bone, or metal. The precise purpose of kierrelevyjä remains a subject of ongoing academic debate, with several theories proposed.
One prominent theory suggests that kierrelevyjä served as navigational tools, particularly in maritime contexts. The spiral
Furthermore, kierrelevyjä have been considered as early forms of record-keeping or calendrical devices. The markings might