74385747
May 3, 1993
distillation systems comprising of a distillation and reflux system having heating facilities that include a heat source in contact with a heater block and having glassware assemblies made up of interchangeable individual glassware pieces connected together by clips which glassware assemblies are so arranged to perform various types of distillations and refluxes to be free-standing during a distillation or reflux operation
Environmental Control Apparatus