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Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
It has continuously variable step-less speed control up to 1000 rpm by means of a knob on the front panel
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Complete with koehler's illumination system by 6V20W halogen lamp with focused condenser lens with iris-diaphragm filter-carrier etc
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Ishihara Color Blindness Test Book Available In 24 Plates & 38 Plates 11 baby room thermometer It has continuously variable step-lessIshihara 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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