US$ 175.00
equipping a class for fixed-and-movable pulley investigations
Microscope slides
Innovating Science products
Classroom kit for determining relative humidity and dew point using paired dry-bulb and wet-bulb thermometers on a sling handle
9-inch inner diameter with a 5
Optically Worked Double Concave Glass Lens, 75mm Diameter, 200mm Focal Length Face Size_38mm equipping a class for fixed-and-movablePairs 75mm of aperture with a 200mm diverging focal length on a double concave glass lens, the gentler curvature softening divergence for clearer virtual image observation in refraction setups.
US$ 175.00
US$ 178.12
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US$ 13.90
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