T5:16/20 NCR4 NCR47 junction near Neath

This disk shows us the 16th century (1500 to 1599); it’s disk 16 of the T5 “Centuries” series.

Flickr gregory williams NCR4 NCR47 junction neath

(Image: © Copyright Gregory Williams (Flickr) and licensed for reuse under Creative Commons Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0))

At the top right of the inside of the triangular area, you can see the symbol for Mercury. And at the opposite side is Venus. Down at the bottom is the Earth, with the Moon orbiting it.

So I think that this disk is devoted mostly to the Copernican astronomical revolution. The Wikipedia says:

Copernican heliocentrism is the name given to the astronomical model developed by Nicolaus Copernicus and published in 1543. It positioned the Sun near the center of the Universe, motionless, with Earth and the other planets rotating around it in circular paths modified by epicycles and at uniform speeds. The Copernican model departed from the Ptolemaic system that prevailed in Western culture for centuries, placing Earth at the center of the Universe, and is often regarded as the launching point to modern astronomy and the Scientific Revolution.

The text in the three bars can be decoded using our key, as follows:


h w a v e s o f f   ->


w s t i l l s u c   ->


l e f o r t h e “   -> flipped vertically

And the text for this disk reads:

.....w still such waves of f...
......le for the “

which makes a bit of sense.


1 Comment

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One response to “T5:16/20 NCR4 NCR47 junction near Neath

  1. I have seen these posts dotted around the cycle network, but have never really taken close notice of them until i stopped by one carrying this symbol between March and Peterborough (close to the village of Eastrea).
    The disk and it’s strange markings intrigued me and I have spent a happy couple of hours trying to find out more about what they mean. Sad to see such an ambitious project has almost been forgotten in a mere 16 years!
    I have some photographs of the disk and post if you would like copies. Unfortunately, the disk is not in the best of conditions.


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