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Opisometer Geology Used to draw electrons from

SKU 1652945893
4.7
Description

Used to draw electrons from glass and ebonite rods during rubbing

sized for beginner circuit and physics labs

covering metals

and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit

Opisometer Geology Used to draw electrons fromOpisometer with a knurled wheel on a threaded spindle, rolling along curved lines on maps, charts, and drawings to convert winding distance into straight line length for geography coursework.

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