A circa-1625 musical clock stored three airs on a pinned cylinder and animated a tiny commedia dell'arte ensemble when it sounded.
Alexander Bain's chemical telegraph turned pulses into marks on a damp, treated strip instead of moving a needle.
Norman Stokes assembled a working mechanical Televisor from salvaged parts and exhibited it in London in 1931.
The ZIL-29061 used two rotating screw pontoons to cross snow, mud, and water while supporting cosmonaut recovery operations.
Shakuntala Devi became known for performing large mental calculations publicly and under controlled demonstrations.
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