title: [Attachment for digital measurement value registration and derivative spectral recording for analog registering spectral photometers].
mesh_terms: D000703:Analog-Digital Conversion; D003201:Computers; D005859:Germany, East; D006801:Humans; D013053:Spectrophotometry / Q000295:instrumentation*
vernacular_title: Zusatzgerät zur digitalen Messwerterfassung und Derivativspektrenableitung für analog registrierende Spektralphotometer.