{"created":"2022-01-31T10:22:35.439414+00:00","id":"tec2992","links":{},"metadata":{"identifier":"tec2992","title":"Simultaneous contrast apparatus, with two prisms for binocular or monocular investigation. After Hering, by Rothe, Prag"},"revision":0,"updated":"2022-01-31T10:22:35.439420+00:00"}