When Female Orgasms Became Electric

The Times of London has an overview of the evolution of the vibrator:

In the early 20th century, everything in the garden was rosy until electrification made vibrators available in the home. They were, incidentally, electrified ten years before either the washing machine or Hoover. The first home machines were awesomely large, with a big box attached to the mains. One imagines that they were also awesomely noisy. But then they were miniaturised (relatively speaking). Hand-cranked versions became available, which presumably must have been distressingly prone to running out of power long before satisfaction had been achieved.

The history of vibrators