US$ 39.00
supporting optical components
with plus-or-minus 10% nominal-value tolerance
this large earthworm dissection model reveals segmentation
converting solar radiation to measurable thermal energy on an 18-inch-tall stand
Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges
Resistance Investigation Board Type_Round End supporting optical componentsCompact 42 cm resistance investigation board, the lower cost benchtop alternative to the full meter resistivity boards for quantitative R = rho*L A and material comparison investigations.
US$ 39.00
US$ 150.00
US$ 105.00
US$ 39.00
US$ 39.00
US$ 39.00