An 18th century weather prediction device, the Fitzroy Storm Glass, showing two stages of crystal formation. [source/tutorial in comments]


An18 th century weather prediction device, the Fitzroy Storm Glass, showing two stages of crystal development. [source/tutorial in comments]


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15 Comments

  1. I shared this gif of a storm glass last year but it’s one of my favorite winter projects, so here’s a repost. A really fun one to make with some cool history and a great display of crystal formation.

    The Storm Glass is an 18th century weather prediction device made famous by Admiral Fitzroy, captain of the H.M.S. Beagle. You may recognize that ship name as the same one that Charles Darwin voyaged on. At the same time that Darwin was recording his biological findings, Fitzroy was recording his observations of the Storm Glass. Note that Fitzroy did not invent the Storm Glass (it was invented in the 1700’s, by who is uncertain), but he gets credit for popularizing the device and it’s use throughout the British navy.

    Source/tutorial: https://youtu.be/Trz1diBkAR0

    Further reading: http://www.strangeapparatus.com/Stormglass.html

  2. I remember watching the mason jar one, I wondered if there was a way to color the “snow” inside the jar red, or any other color.

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