US$ 89.99
verifying vector-addition rules in introductory mechanics units
Engineered with a higher spring constant than a classic coiled novelty spring
Pairs with the Malvern turbine/pump unit through two basins and shaped glass tubes on a stand
Brass-knife single-pole single-throw switch on a durable plastic base
Optically Worked Double Concave Glass Lens, 75mm Diameter, 150mm Focal Length Gifts verifying vector-addition rules in introductoryOptically worked double concave glass lens at 75mm diameter and 150mm focal length, the diverging curvature producing virtual upright images for refraction and beam spreading work.
US$ 89.99
US$ 12.00
US$ 33.95
US$ 12.00
US$ 14.00
US$ 49.00
US$ 75.00