title: A recording dilatometer for measuring polymerization shrinkage.
authors.forename: R W
authors.initials: RW
authors.lastname: Penn
mesh_terms: D002627:Chemistry, Physical / Q000295:instrumentation; D003188:Composite Resins; D004867:Equipment Design; D006358:Hot Temperature; D008768:Methylmethacrylates; D013499:Surface Properties; D014783:Viscosity
chemical_list: D003188:Composite Resins; D008768:Methylmethacrylates