Joseph B. Reid wrote: >The 9th Conf�rence G�n�rale des Poids et Mesures, 1948, approved >the name "micron". The 13th CGPM, 1967-1968 annulled that >resolution and renamed the unit as the "micrometre".
I saw this by reading the brochure. But I couldn't find the answer to something that I wanted to know: Was 'micron' the only approved name over that period or did it exist in parallel to 'micrometre'?
