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photopic standards and cosine correction factor for precise readings
provided as an aid in teaching biology
Perfect for demonstration purposes
Gain a deeper understanding of the ear anatomy and physiology with this highly detailed model
Perfect for the doctor's office
Clock Boards Write-On/Wipe-Off photopic standards and cosine correctionFeatures digital and analogue clock faces. Wipe clean clock boards. Includes activity guide. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
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