According to the text, what was the massive, uncalculated boost to well-being derived from electric light compared to whale oil lamps in 1870?

Answer

The recovery of countless hours previously spent on maintenance like trimming wicks and cleaning soot

The primary gain from electric light was the redirection of time and caloric energy previously spent on the tedious and hazardous upkeep of older lighting sources toward leisure or work.

According to the text, what was the massive, uncalculated boost to well-being derived from electric light compared to whale oil lamps in 1870?
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