Other Dial Types
(In no particular order)

shepherd's sundial
A pillar or shepherd's dial		 Universal ring dial
Universal ring dial
Thew patent
Thew patent dial		 Heliochronometer
Heliochronometer
the most accurate sundial
Dipytch
Diptych dial		 Scaphe
Scaphe dial
noonmark
Noonmark or
Meridian