Guglielmo Marconi and George Kemp carried out a successful experiment in Wireless Telegrapy here 25th August 1898

See also...
Megalit on Wikimedia Commons
Rbirkby on Wikimedia Commons
Peter Reed on Flickr
Alwyn Ladell on Flickr
cazphoto.co.uk on Flickr
Robin Lucas on Geograph
Man vyi on Wikimedia Commons PD
Stuart Axe on Flickr
Nick Harrison on Flickr
Nick Harrison on Flickr
Simply Jan on Flickr
Simply Jan on Flickr
Eugene O'Loughlin on Flickr PD 1.0
Nick Harrison on Flickr
Nick Harrison on Flickr