US$ 262.50
letting students snap cord directly into place for faster classroom setup and teardown
Greatly-enlarged cardiac muscle model exposes myocardial fiber structure
the moderate-resistance moderate-current option in the compact-tube rheostat line
Used as the red-rail partner to the 300mm black 2mm-plug lead
Optically Worked Double Concave Glass Lens, 75mm Diameter, 250mm Focal Length Graduations_50mL letting students snap cord directlyDouble concave glass lens at 75mm diameter and 250mm focal length, ground polished edges, the diverging surface yielding virtual reduced upright images suited to introductory optics.