http://himalaya.vefblog.net/presentation.html
We see a photo which seems to me to be a concentration system
created 113 years ago already very well at the technological level (without the electronic 2-axis follower).
The association is carrying out activities on 5,6,7 April 2013 and probably
other activities are planned.
on wikipedia, concerning the comments of Manuel_António_Gomes, it is written:
.It is good to note that this machine is a perfection and that it works wonderfully
Chris