Webmaster	Pietro Ziri   pietro.ziri@poste.it
Research and documentation:	Pietro Ziri
Photos:	Salvatore Zara
English and French versions:	Nelly Wheeler, Pietro Ziri
For the instruments of the Istituto Magistrale "M. di Castelvė":	Brigida Boi, Lucia Tavera
For the instruments of the Liceo Classico "D. A. Azuni":	Gianfranco Pilo   gianfrancopilo@hotmail.com
For the instruments of the Istituto Tecnico Agrario "N. Pellegrini":	Cecilia Lintas
The University has given the photos of their instruments

  We thank the Directors of the Mats and Physics Department, of the Liceo Azuni, of the Liceo Spano, of the Istituto Magistrale Castelvė and of the Istituto Tecnico Pellegrini.