National Conference on Weights and Measures

The National Council on Weights and Measures (NCWM) is a not-for-profit standards development organization, dedicated to developing the United States technical standards for weights and measures in commerce. The organization's official mission is "Ensuring Equity and Uniform Standards in a Changing Marketplace." == History == The Weights and Measures Law was first signed into law on March 2, 1799 by President John Adams.

Source: Wikipedia — National Conference on Weights and Measures (CC BY-SA 4.0)