* R. H.
Just posted some new photos:

http://puzzlephotos.blogspot.com/

272: A device to connect current to the water pipes, i.e. grounding.

--
Jon Haugsand
Dept. of Informatics, Univ. of Oslo, Norway,
http://www.ifi.uio.no/~jonhaug/, Phone: +47 22 85 24 92