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Trinocular
large lcd display
50Hz (or 110V
A Glass jar for containing oils
It is transparent from both sides for use in overhead projectors
Ishihara Color Blindness Test Book Available In 24 Plates & 38 Plates 11 student microscope uk TrinocularIshihara Color Blindness Test Book Available In 24 Plates & 38 Plates 11 Ishihara's color perception test charts are recognized internationally as highly reliable method of determining color deficiency. With normal color perception, the images and numbers will all be visible. Each color test plate in this hard bound. Book is specially printed to measure incrementally higher color sensitivity and specificity. Ishihara test for color blindness, 38 plate
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