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- Article no:65987-00Colour disc, adjustable
- Article no:64948-00Optical illusion figures
- Article no:65976-02Reaction test sheets, set of 20
- Article no:03543-00PHYWE Measuring microphone with amplifier
- Article no:01139-11Handbuch Lehrerversuche Strukturen und Funktionen, DEMO advanced Biologie (BT)
- Article no:03421-00Tuning fork 880 Hz
- Article no:01845-01Handbuch Schülerversuche Biologie, TESS advanced Biologie, (in german)
- Article no:KLA-110-235Ishihara test folder for colour sense disorders
- Article no:KLA-110-200Facetted-eye goggles
- Article no:KLA-110-240Visual acuity test and astigmatism
- Article no:KLA-110-210Reflex glasses
- Article no:64239-00Device for directional hearing
- Article no:P1078600Primary eye
- Article no:P1078000Red-Green Visual Impairment
- Article no:P1079000Look through your hand
- Article no:P1078300Age-related macular degeneration
- Article no:P1078500retinitis pigmentosa
- Article no:P1078700Color blindness
- Article no:P1078100Diabetic retinopathy
- Article no:P10789003D vision, Anaglyph procedure
- Article no:P1078800Colored afterimages
- Article no:P1078400Cataract
- Article no:P9130900Orientation
- Article no:P9130700Sound waves
- Article no:P9130100Mirror your tongue
- Article no:25296-88Student set General biology, TESS advanced Biology
- Article no:P9131400Two eyes see more than one
- Article no:11617-00Adapter of adjustable colour disc