A mechanism is provided for adjusting the ratio of {HEAD ~ the volume} to the compliance of the reference cell, so that {TAIL ~ this ratio} may be made exactly equal to the corresponding ratio for the measuring cell 
A mechanism is provided for adjusting the ratio of { HEAD ~ the volume } to the compliance of the reference cell , so that { TAIL ~ this ratio } may be made exactly equal to the corresponding ratio for the measuring cell
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH