1950
A pea scale, also known as a cotton scale, balance scale, or a steelyard balance. The scale is comprised of two parts: a scale with an elongated, tapered bar of steel ending in a hook, and a weight that can be hung along the length of the scale.
Unknown, -499
Unknown, 1898
Unknown, 1865
Unknown, 1900
Unknown, 1880
Unknown, 1140
Unknown, 1884