| http://www.w3.org/ns/prov#value | - in said housing and including a chamber having a first portion with a movable wall exposed to fluid in said housing, a second chamber portion having a movable wall isolated from fluid in said housing, and an intermediatewall in the form of a plate having a restricted orifice connecting said chamber portions, means connecting the movable Wall of said first chamber portion to said valve, said connec
|