US$ 67.00
the diverging curvature producing virtual upright images for refraction work
sized for fine-pitch breadboard work where 4mm hardware is too large for the apparatus
and Moon on repositionable rods
5-3V DC for hands-on motor-action work
Wide sound-radiating surface on this lightweight tuning fork lets it stand upright on its own footprint
Volcanic System Teaching Model State_Solid the diverging curvature producing virtualHand painted volcanic system model on a 75 by 100 cm wall mountable backboard, demonstrating how eruptions unfold and what structural conditions trigger them, with each feature labeled.
US$ 67.00
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