US D406778 S
FIG. 1 is a perspective view of a test unit for volatilization and collection of oil, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
A see-through, swinging shield encloses the inset work space.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.