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