'A Sumerian pictograph shows one in 3500 B.C.: the oldest are wooden disks with 3 carved planks clamped by struts'
a wheel
TECHNOLOGY OF THE PAST: A Sumerian pictograph shows one in 3500 B.C.: the oldest are wooden disks with 3 carved planks clamped by struts
A Sumerian pictograph shows one in 3500 B.C.: the oldest are wooden disks with 3 carved planks clamped by struts
A Sumerian pictograph shows one in 3500 B.C.: the oldest are wooden disks with 3 carved planks clamped by struts
TECHNOLOGY OF THE PAST
a wheel
TECHNOLOGY OF THE PAST