The 1882 "Device For Waking Persons From Sleep" Patent
And you probably think your alarm clock is annoying. The idea behind this 1882 patent for a "device for waking persons from sleep" actually drops things on your sleeping head. A spindle inside the clock released a hook, attached to which was a string that held up 60 small pieces of wood assembled in a block. The sleeper would be awoken by this falling wooden block.
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from Brain Bubble TV
Key Facts In This Video
See the 1882 patent design for an alarm clock: (0:13)
An early vacuum cleaner was powered by two pedals strapped to the bottom of the operator's feet. (0:31)
See the patent design for an automated hat tipper: (0:44)