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What has many keys, but can'...

What has many keys, but can't even open a single door?

Correct answers: 47

The first user who solved this task is Djordje Timotijevic.

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Mary's Little One

Mary had a little lamb...
And two nurses who passed out in the delivery room.

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Stenotype

In 1876, the stenotype was patented by John C. Zachos of New York City (No. 175,892). This was the first U.S. patent for a device for printing legible text in the English alphabet at a high reporting speed, which he called a "typewriter and phonotypic notation." The type was fixed on eighteen shuttle bars, two or more of which may be simultaneously placed in position. The impression was given by a plunger common to all bars. He called his new system of shorthand "stenophonotypy."*

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