diff --git a/py/hexagram/dial.py b/py/hexagram/dial.py
index b868142..c3bd229 100644
--- a/py/hexagram/dial.py
+++ b/py/hexagram/dial.py
@@ -96,3 +96,9 @@ class Dial(Gauge):
         cr.set_line_width(self.BEZEL_WIDTH)
         cr.arc(*arc)
         cr.stroke()
+
+        # Gauge center bezel
+        cr.set_source_rgb(1, 1, 1)
+        cr.set_line_width(self.BEZEL_WIDTH / 3)
+        cr.arc(self.x, self.y, self.radius / 2, 0, 2.0 * math.pi)
+        cr.stroke()
diff --git a/py/hexagram/speedo.py b/py/hexagram/speedo.py
index 9a1d273..0693ab5 100644
--- a/py/hexagram/speedo.py
+++ b/py/hexagram/speedo.py
@@ -39,4 +39,4 @@ class Speedo(Dial):
             self.draw_mark(cr, min_radius, 0.87, speed)
 
         for speed in range(0, int(self.max_value)+1, 20):
-            self.draw_number(cr, 0.65, speed, "%d" % int(speed))
+            self.draw_number(cr, 0.68, speed, "%d" % int(speed))
diff --git a/py/hexagram/thermo.py b/py/hexagram/thermo.py
index aefba1d..457f2e8 100644
--- a/py/hexagram/thermo.py
+++ b/py/hexagram/thermo.py
@@ -59,7 +59,7 @@ class ThermoGauge(Dial):
         self.draw_value(cr, 0.78,  0, "C", 0, 5)
 
         cr.set_source_rgb(1, 0, 0)
-        self.draw_value(cr, 0.75, self.MAX_VALUE - self.MIN_VALUE, "H", -20, 10)
+        self.draw_value(cr, 0.75, self.MAX_VALUE - self.MIN_VALUE, "H", -25, 15)
 
         cr.set_line_width(6.0)