title: Object lessons:   The matula.
authors.forename: Bill
authors.initials: B
authors.lastname: Bynum
authors.forename: Helen
authors.initials: H
authors.lastname: Bynum
mesh_terms: D004867:Equipment Design; D005898:Glass / Q000592:standards; D049668:History, 15th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D016482:Urinalysis / Q000266:history / Q000295:instrumentation*