Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Lab Equipment and Supplies_Metal Labware the numbered dicot leaf model

the numbered dicot leaf model on a base maps epidermal

Three-dimensional starfish sectional model reveals echinoderm anatomy

and symmetry

sized to drop straight into the student electrolyzer without rewiring for inert-electrode investigations of water decomposition

sized for routing around components and through apparatus where solid-core wire would be too stiff to follow the bend

Double Concave Glass Lens, 50mm Diameter, 100mm Focal Length, 8mm Thick Lab Equipment and Supplies_Metal Labware the numbered dicot leaf modelGlass double concave lens at 50mm diameter and 100mm focal length, an 8mm thick blank delivering the same diverging behavior at lower mass for ray box and small mount setups.