Description
and wood bobs on separate strings to a 42
Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer
letting students quantify how color and finish influence heat uptake during radiation experiments
Extended-range rheostat at 12 ohms and 4A on a 200x44mm tube with constantan winding
Reading Magnifier, 60mm, 20cm Focal Length Material_Acrylic and wood bobs on separateChrome 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.
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