CENTER (4)
Source: 567
{ Cen″ter, or Cen″tre, seal }. (Gas Manuf.) A compound hydraulic valve for regulating the passage of the gas through a set of purifiers so as to cut out each one in turn for the renewal of the lime.
Source: 567
{ Cen″ter, or Cen″tre, seal }. (Gas Manuf.) A compound hydraulic valve for regulating the passage of the gas through a set of purifiers so as to cut out each one in turn for the renewal of the lime.