changes in the proportion of household with washing machines, refrigerators, on household chores per week per family, far more households with electrical equipment, despite being the most popular of the three at the beginning of the period, 40% of households having one at the beginning of the period, there was not much growth in the remaining years, By contrast, which was 30% more than the washing machines, Similarly, soared from just over 0% in 1920 to 100%, overtaking vacuum cleaners in 1940, which was a decade before they all had a vacuum cleaner, In contrast to the general upward trend of electrical appliance uptake, fell significantly from 50 hours per week in 1920 to 20 in 1960.

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