The Manipulator, one of the world's first mechanical vibrators, was invented in 1869 and ran on steam.

The large machine hid its engine in another room, with the apparatus sticking through the wall... and a person would have to push themselves onto the wall to use it.

The Manipulator, one of the world's first mechanical vibrators, was invented in 1869 and ran on steam. The large machine hid its engine in another room, with the apparatus sticking through the wall... and a person would have to push themselves onto the wall to use it.

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