From the archive · #294

A little curiosity.
From the archive.

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October 21, 2026Inventions & InventorsNo account needed · No timer
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Prompt: John Walker developed an early friction version of this small fire-starting stick.
TechnologyA little curiosity
Invention · IDENTIFYJohn Walker developed an early friction version of this small fire-starting stick.Think it. Then flip it.
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  1. 01John Walker developed an early friction version of this small fire-starting stick.
  2. 02Karl Benz's three-wheeled Patent-Motorwagen was an early example of this motorized road vehicle.
  3. 03Jacob Perkins patented an early vapour-compression system for this food-cooling appliance.
  4. 04Announced in 1839, this photographic process forms an image on a silver-coated copper plate.
  5. 05Joseph Glidden patented an influential form of this fencing material with sharp points along twisted strands.