In 1921 the Treaty was extended to include all physical quantities including electrical units in 1948 an overhaul of the metric system was set in motion which resulted in the publication of a standard for the International System of Units in 1960.
An overhaul of the metric system was set in motion. This was in 1921. The Treaty was extended to include all physical quantities including electrical units in 1948 1921. This motion resulted in the publication of a standard for the International System of Units in 1960.