7-Part Human Eye Model, 3X Enlarged Category_Demonstrations 5 Pa Bourdon gauge on

5 Pa Bourdon gauge on a powder-coated metal base for whole-class visibility

each foam-protected in a wooden case with frequencies labeled

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

Eight-piece stainless steel slotted mass set supplied with a corrosion-resistant finish

gripping objects up to 90 mm and mounting to support rods up to 15 mm for chemistry and physics setups

7-Part Human Eye Model, 3X Enlarged Category_Demonstrations 5 Pa Bourdon gauge onEnlarged three times life size with seven separable parts exposing cornea, iris, lens, retina, and optic nerve, supporting small feature eye anatomy teaching.