Description
lens tucking inward when closed to resist scratches during classroom
Demonstrates the one-way current behavior of a rectifier diode rated up to 6A at 400V
running on cone bearings in a cord-ready metal frame for friction
the smallest in the Alnico horseshoe series and well sized for individual student handling during basic attraction-and-repulsion lessons
Terrestrial Globe Teaching Model, 20cm Clearance lens tucking inward when closedDesktop reference for world geography, featuring a 20cm terrestrial globe with political boundaries and a graduated plastic meridian arc for map reading work.
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