Thibaud,

I did not see the broadcast but read the English subtitles at this address: 
http://tvguide.lastown.com/bbc/preview/precision/the-measure-of-all-things-1-time-and-distance.html
It is apparently the Egyptian sundial from 1500 BC.
On my website you can see an article about this sundial.
In Dutch: http://www.wijzerweb.be/egypte.html
In English: http://www.wijzerweb.be/egypteengels.html

Willy Leenders
Hasselt in Flanders (Belgium)

Visit my website about the sundials in the province of Limburg (Flanders) with 
a section 'worth knowing about sundials' (mostly in Dutch): 
http://www.wijzerweb.be




Op 19-aug-2013, om 20:49 heeft Thibaud Taudin Chabot het volgende geschreven:

> Yesterday (sunday) I saw the first  part of the new BBC serie "The story of 
> measurement" on BBC4.
> In it was a horizontal sundial of questionabvle design. The style foot was 
> situated on the XII mark and the shadow was crossing many hourlines.
> I can't imagine that BBC didn't do any serious research and used a fancy 
> sundial and even didn't notice that the shadows weren't matching the 
> hourlines.
> Or did my TV having troubles? You never know in this digital era.
> Thibaud
> 
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