It's a fun fact that the reason for this was for preparation for the introduction of a metric minute composed of 100 seconds that was mandated by the government in the 1960s just as the first digital controls for home appliances were being introduced.
This sounds like complete nonsense and I can't find any evidence of such a "mandated by the government metric time" with Google.
This sounds like complete nonsense and I can't find any evidence of such a "mandated by the government metric time" with Google.