Description
Used to verify R = rho*L/A by isolating wire material
a less-common metal reference for density-investigation comparisons alongside the standard brass
5-inch plastic moment-of-inertia disc on a magnetic-base ball bearing
supporting reflection
12-Hole Test Tube Stand for Mixed 30mm and 15mm Tubes, Polyethylene Subcategory_Geology Models Used to verify R =Flat pack polythene test tube stand with six 30 mm and six 15 mm holes, disassembling for easy cleaning between uses in chemistry classrooms and student laboratories.
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