A control for a liquid level regulating system including a casing which is immersed in the liquid to a depth at which control is to be effected, {HEAD ~ a loose flexible diaphragm} closes the casing at the bottom and is moved in {TAIL ~ accordance} with the liquid head 
is moved in
A control for a liquid level regulating system including a casing which is immersed in the liquid to a depth at which control is to be effected , { HEAD ~ a loose flexible diaphragm } closes the casing at the bottom and is moved in { TAIL ~ accordance } with the liquid head
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH