{"created":"2022-01-31T10:16:20.680086+00:00","id":"tec3006","links":{},"metadata":{"identifier":"tec3006","title":"Apparatus for mixing colors by the combination of colored gelatine papers. After M\u00fcnsterberg, by Elbs, Freiburg"},"revision":0,"updated":"2022-01-31T10:16:20.680091+00:00"}