3-Part Human Ear Model, 3X Enlarged, 29 Features Subcategory_Wave Motion 4 inch dimensions in aluminum

4 inch dimensions in aluminum

polished with ground edges for image-formation experiments in introductory optics

this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement

Twenty-nine labeled features across outer

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

3-Part Human Ear Model, 3X Enlarged, 29 Features Subcategory_Wave Motion 4 inch dimensions in aluminumTwenty nine labeled features across outer, middle, and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility.