what instrument and technique did the sumerians use to produce their picture writing
Sumerian cuneiform. Sumerian cuneiform is the earliest known writing system. Its origins can be traced back to about 8,000 BC and it developed from the pictographs and other symbols used to represent trade goods and livestock on clay tablets.umerian cuneiform. Sumerian cuneiform is the earliest known writing system. Its origins can be traced back to about 8,000 BC and it developed from the pictographs and other symbols used to represent trade goods and livestock on clay tablets.