US$ 225.00
with polystyrene spheres
5 inches each supports crafting projects
and a month-labeled base for tracking orbital positions through the year
Lab-quality 2
and aluminum — sized to equal volume and drilled for suspension in calorimetry experiments
3" (75mm) Magnifying Glass with Plastic Handle Pack Size_5 with polystyrene spheresThree inch (75mm) magnifying lens on a 6. 75 inch unbreakable plastic handle, sized for reading, close inspection, and image formation experiments in introductory optics.
US$ 225.00
US$ 15.00
US$ 225.00