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  Glass Music - YouTube

  https://www.youtube.com/watch?v=tR_2mxai7yU&feature=related

  Glass Music behind the Cathedral, Barcelona

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  Visualization of Mercury vapors in UV light - YouTube

  https://www.youtube.com/watch?v=JABbofwD3MI

  Toxic mercury vapors are invisible under the daylight but you can clearly see them in the UV. First part of video recorded under normal light and second part...

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  The Irish Glass Bottle Company - YouTube

  https://www.youtube.com/watch?v=e8A08CBrHbg

  Ringsend was a good location for making glass. Glass manufacturers needed a lot of sand, of which Ringsend had plenty. They also needed lots of coal to melt ...

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