Description
55mm diameter on a 125g reel
exposing every wire and hammer so students trace the bell's electromagnetic action
Current balance with a B
sized for measuring direction and field strength on the lab bench
Optically Worked Double Convex Glass Lens, 200mm Focal Length, 38mm Diameter Features_Spout 55mm diameter on a 125gOptically worked glass double convex lens with a 200mm focal length and 1. 5 inch diameter, polished and ground for image formation and refraction demonstrations in physics.
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