What are the the balls on Prague’s spires called??

prague-balls-question

One of the things that fascinates me about Prague are the skewers atop the spires of its many iconic buildings, each of which pierces a shiny ball. It’s a great look.

I am sure there’s a reason for those things, other than the look itself.

I am also sure there is a word for the ball. The skewer too.

I know it’s not spire, because that labels any conical or tapered point on the roof of a building. Prague is said to be the city of a hundred, or a thousand, spires. Most of those have these balls too, and I’ve become obsessed, while I’m here, with finding out what the hell they’re called.

I’m sure more than a few people out there on the lazyweb know. So tell me.

Thank you.

Later: good answers in the comments below.



13 responses to “What are the the balls on Prague’s spires called??”

  1. Sorry, no help.

    But, isn’t the architecture in Old Town Prague mind-blowing? After a while, we were like “Enough, you win”, but then, another turret on a turret.

    We stayed over the bridge up the hill at The Red Lion, a couple blocks from St. Vitus.

  2. Ball and Point finial.

  3. […] are the the balls on Prague’s spires called??” blogs.law.harvard.edu/doc/2015/09/20… << anyone help @dsearls out with […]

  4. I think you have a bulls eye, Stephen. Thanks.

    Looking up “ball and point finial” doesn’t yield many results on Bing or Google image searches, but it yields enough. The best image of one is in this blog post here, which I found through this (now removed) image here.

    But I can’t find anything (yet) associating “ball and point finial” and Prague, “city of a hundred spires” — nearly all of which have finials with balls in them.

    And now I’m back in New York, city of boxy buildings.

  5. The german wikipedia has an article about so so called Turmkugel, literally tower ball or orb. According to this article there is a tradition of using the ball interior as a time capsule, somewhat the last build counterpart to the cornerstone.

    Which brings to mind the legend of the Vatican Obelisk which seems to have a gilded ball on the top from its erection in the Circus of Nero in 37 until it’s movement to the new build St. Peters Square in 15xx. According to middle age legend the ball should have contain the ashes of Julius Caesar.

    1. They are full of mercury, I know what they do, but I dont know what they are called, and I want a bullet-proof answer, someone who is 100% sure thats what its called

  6. There’s a video of an opening of a Turmknopf and the time capsule therein. It seems it contains foremost a handwritten chronic of the church, some then new photographs and coins of the time. According to the speaker, it will be resealed and updated with documents of our current time.

  7. I have heard they are, or once were filled with mercury. Due to the earths gravitational field it forces the mercury inside to spin in a certain direction, when this happens to mercury it creates an electric current. They then apparently were able to harness and store this electricity that was seeming created from nothing. One fact on the mercury I have found is that when mercury is indeed moving or spinning it creates an electric current.

      1. Perplexity also don’t believe in geo-engineering or solar dimming.

        1. Perplexity doesn’t believe in anything. It reports what it finds. When I ask it about geo-engineering and social dimming, it finds stuff.

    1. Precisely

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