Mesopotamia's complex economic system required standardized units of measure. Most weights were made of stone, and the most common type of stone used was hematite. Some weights are simple geometric forms, while others are in the shape of animals.
Henri Frankfort, Field Director of the Iraq Expedition
Purchased 1930
Hodges, Henry. Technology in the Ancient World. New York: Barnes and Noble Books, 1992.
Moss, Carol. Science in Ancient Mesopotamia. New York: Franklin Watts, 1989.
Roaf, Michael. Cultural Atlas of Mesopotamia and the Ancient Near East. New York: Facts on File, 1990.