US$ 169.52
Standard rheostat at 2
and documentation
letting students snap cord directly into place for faster classroom setup and teardown
Greatly-enlarged cardiac muscle model exposes myocardial fiber structure
and aluminum at a shared 0
Optically Worked Double Concave Glass Lens, 75mm Diameter, 250mm Focal Length Graduations_50mL Standard rheostat at 2Double 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.
US$ 169.52
US$ 30.00
US$ 78.41
US$ 24.45
US$ 20.51
US$ 11700.00
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