迄今为止发现的最古老测量设备之一列彭波骨（Lebombo bone）被考证为大约3.5万年前生活在当今伊斯瓦蒂尼（原名斯威士兰）的人类所造。
One of the oldest measuring devices ever used, the Lebombo Bone, was carved by people believed to have lived some 35,000 years ago in modern-day eSwatini (Swaziland).