L001 - Bowl, facing away from the smoker
L002 - Bowl, beneath, when a pipe has neither heel nor spur
L003 - Bowl, facing smoker
L004 - Bowl, on left hand side as smoked
L005 - Bowl, covering entire bowl
L006 - Bowl, on right hand side as smoked
L007 - Bowl, unidentified location
L008 - Base of heel
L009 - Stem, reading along the length of the stem
L010 - Heel, opposite sides
L011 - Spur, base
L012 - Spur, sides