--- gpamela/history/v_100.txt	2006/11/10 11:39:35	3.18
+++ gpamela/history/v_100.txt	2006/11/16 18:45:29	3.20
@@ -1,7 +1,13 @@
 #
-# $Id: v_100.txt,v 3.17 2006/10/13 16:36:59 pam-ba Exp $
+# $Id: v_100.txt,v 3.19 2006/11/16 12:01:13 pam-ba Exp $
 #
 # $Log: v_100.txt,v $
+# Revision 3.19  2006/11/16 12:01:13  pam-ba
+# S4 dimensions corrected.
+#
+# Revision 3.18  2006/11/10 11:39:35  pam-ba
+# S2 and S1 z-positions corrected, He3 and plystyrene mixture added, Top Plate geometry simulated and titanium mixture added.
+#
 # Revision 3.17  2006/10/13 16:36:59  pam-ba
 # Added a new material, the cadmium, for ND
 #
@@ -69,6 +75,12 @@
 
 November 2006, Bari
 
+
+S4 GEOMETRY UPDATED:
+The x and y dimensions have been corrected because they were wrong.
+A container of aluminum has been added having walls of thickness equal 
+to 0.1 cm.   
+
 TOF POSITIONS DEFINITELY UPDATED:
 S2 and S1 have been positioned again, after the simulation of the top plate.
 Before now, the positions were put ad hoc based on the positions given by