Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science this set bundles the moving-coil

this set bundles the moving-coil meter

Greatly-enlarged cardiac muscle model exposes myocardial fiber structure

Semi-stiff nylon bristle brush on a twisted stainless steel wire handle

one fitted with an exploder piston for momentum and action-reaction investigations

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

Optically Worked Double Concave Glass Lens, 75mm Diameter, 300mm Focal Length Science at Home_Chemical Science this set bundles the moving-coilLong focal double concave glass lens at 75mm diameter and 300mm focal length, the moderate curvature spreading light gently for divergence and virtual image formation work in refraction demos.