IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the wake of the Revolution of 1789 ...

THIS diagram of the metric units of length, area and volume is printed on a sheet of paper about 3 feet 6 inches by 2 feet 6 inches. The various measures are shown full size. To be of the greatest use ...

Most of the world measures things using the metric system. Learn more about this standard of measurement and how it is getting more and more accurate.

As ever more digital data is created and stored, the world needs more unit measurements to keep up with the ever-expanding numbers. To do so, the 27th General Conference on Weights and Measures on ...

A unified measuring system allows people from different nations to trade with one another without doubting what they are getting. Many attempts to make units of measure standard have come and gone ...

Now widely used around the world, the metric system of measuring distances, weights and heights is a model of simplicity - but is it French? Please sign up or log in ...