Description

Extended-range rheostat at 12 ohms and 4A on a 200x44mm tube with constantan winding

or carried between stations

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

and wood bobs on separate strings to a 42

letting students quantify how color and finish influence heat uptake during radiation experiments

Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic Extended-range rheostat at 12 ohmsChrome plated 60mm reading magnifier extending to a 20cm focal length, the longer focal distance lowering magnification but broadening the visible area on a single page.

Exchange/Return Notes

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Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic Extended-range rheostat at 12 ohms

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