Les gobelets cadran solaire ... Just for sun! Le design existe pour cettes villes: Geneva, St.Gallen, La Chaux-de-Fonds, Luzern, Zurich, Basel et Bern.

BRG Precision Products offers the highly reliable DuraTime 2.4 GHz synchronized clock system for schools and businesses. This system gets time from either a GPS satellite or NTP Time Server, then broadcast the correct time to every digital and analog clock on your campus. /