diff --git a/Cantera/python/examples/liquid_vapor/critProperties/.cvsignore b/Cantera/python/examples/liquid_vapor/critProperties/.cvsignore
new file mode 100644
index 000000000..9a0115ee8
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/.cvsignore
@@ -0,0 +1,8 @@
+Makefile
+runtest
+ct2ctml.log
+diff_out_0.txt
+h2o2.xml
+liquidvapor.xml
+output_0.txt
+transport_log.xml
diff --git a/Cantera/python/examples/liquid_vapor/critProperties/Makefile.in b/Cantera/python/examples/liquid_vapor/critProperties/Makefile.in
new file mode 100644
index 000000000..62df74fa6
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/Makefile.in
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+PYTHON_CMD = @PYTHON_CMD@
+
+run:
+	$(PYTHON_CMD) critProperties.py
+
+test:
+	./runtest
+clean:
+	rm -f *.log *.csv *.xml
+	./cleanup
+
+# end of file
+
diff --git a/Cantera/python/examples/liquid_vapor/critProperties/cleanup b/Cantera/python/examples/liquid_vapor/critProperties/cleanup
new file mode 100755
index 000000000..40e1dbd9e
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/cleanup
@@ -0,0 +1,5 @@
+#!/bin/sh
+#
+/bin/rm -rf equilibrate_log*.html
+/bin/rm -rf .cttmp* ct2ctml.log transport_log.xml vcs_equilibrate_res*.csv \
+            catcomb.csv output_0.txt diff*
diff --git a/Cantera/python/examples/liquid_vapor/critProperties/critProperties.py b/Cantera/python/examples/liquid_vapor/critProperties/critProperties.py
new file mode 100644
index 000000000..c2b42c61d
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/critProperties.py
@@ -0,0 +1,29 @@
+"""
+Print the critical state properties for the fluids for which Cantera has
+built-in liquid/vapor equations of state.
+"""
+
+from Cantera import *
+from Cantera.liquidvapor import *
+
+fluids = {'water':Water(),
+          'nitrogen':Nitrogen(),
+          'methane':Methane(),
+          'hydrogen':Hydrogen(),
+          'oxygen':Oxygen(),
+          'carbondioxide':CarbonDioxide(),
+          'heptane':Heptane()
+          }
+
+print 'Critical State Properties'
+print '%20s  %10s  %10s  %10s' % ('Fluid','Tc [K]', 'Pc [Pa]', 'Zc')
+for name in fluids.keys():
+    f = fluids[name]
+    tc = f.critTemperature()
+    pc = f.critPressure()
+    rc = f.critDensity()
+    mw = f.meanMolecularWeight()
+    zc = pc*mw/(rc*GasConstant*tc)
+    print '%20s   %10.4g   %10.4G  %10.4G' % (name, tc, pc, zc)
+    
+
diff --git a/Cantera/python/examples/liquid_vapor/critProperties/output_blessed_0.txt b/Cantera/python/examples/liquid_vapor/critProperties/output_blessed_0.txt
new file mode 100644
index 000000000..faaca180e
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/output_blessed_0.txt
@@ -0,0 +1,9 @@
+Critical State Properties
+               Fluid      Tc [K]     Pc [Pa]          Zc
+       carbondioxide        304.2    7.384E+06      0.2769
+              oxygen        154.6    5.043E+06      0.2879
+               water        647.3    2.209E+07      0.2333
+            nitrogen        126.2      3.4E+06      0.2891
+             heptane        537.7     2.62E+06      0.2972
+            hydrogen        32.94    1.284E+06      0.3013
+             methane        190.6    4.599E+06      0.2904
diff --git a/Cantera/python/examples/liquid_vapor/critProperties/runtest.in b/Cantera/python/examples/liquid_vapor/critProperties/runtest.in
new file mode 100755
index 000000000..ac4b8cabf
--- /dev/null
+++ b/Cantera/python/examples/liquid_vapor/critProperties/runtest.in
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+#
+temp_success="1"
+/bin/rm  -f output_0.txt    diff_csv.txt diff_out_0.txt
+
+##########################################################################
+PYTHON_CMD=@PYTHON_CMD@
+prog=critProperties.py
+if test ! -f $prog ; then
+   echo $prog ' does not exist'
+   exit -1
+fi
+#################################################################
+#
+CANTERA_DATA=${CANTERA_DATA:=../../../data/inputs}; export CANTERA_DATA
+CANTERA_BIN=${CANTERA_BIN:=../../../bin}
+
+#################################################################
+
+$PYTHON_CMD $prog  > output_0.txt <<+
+1.0
++
+retnStat=$?
+if [ $retnStat != "0" ]
+then
+  temp_success="0"
+  echo "$prog returned with bad status, $retnStat, check output"
+fi
+
+diff -w output_blessed_0.txt output_0.txt > diff_out_0.txt
+retnStat_0=$?
+
+retnTotal=1
+if test $retnStat_0 = "0" 
+then
+  retnTotal=0
+fi
+
+if test $retnTotal = "0"
+then
+  echo "Successful test comparison on "`pwd`
+else
+  echo "Unsuccessful test comparison of txt files on "`pwd` " test"
+  echo "     see diff_outi_0.txt "
+fi
+