Line 2:
Line 2:
[[File:Double ring.jpg|thumb|Schematic diagram of double ring infiltrometer illustrating the infiltration of water both vertically, and laterally particularly from the outer ring.]]
[[File:Double ring.jpg|thumb|Schematic diagram of double ring infiltrometer illustrating the infiltration of water both vertically, and laterally particularly from the outer ring.]]
[[File:Bill's double ring.jpg|thumb|Double ring infiltrometer in use]]
[[File:Bill's double ring.jpg|thumb|Double ring infiltrometer in use]]
{TOClimit|2}
==Principle==
==Principle==