US$ 99.00
4 inch dimensions in aluminum
gripping cylindrical items from 15 to 60 mm alongside an integrated boss head for retort rods
this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement
polished with ground edges for image-formation experiments in introductory optics
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.
US$ 99.00
US$ 149.97
US$ 99.00
US$ 17.95