Biot's Conductor Microscopy_Microscopy Equipment &Supplies and tubing

and tubing

Hand microtome produces thin specimen sections for microscope slide preparation in botany

Compact 14 by 12 by 11 cm autoclavable polypropylene basket organizes test tubes during experiments

sized for individual student-lab use in simple-machines units

Pith balls suspended both inside and outside a charged metal cylinder make visible proof that electrostatic charge resides only on the outer surface of a conductor

Biot's Conductor Microscopy_Microscopy Equipment &Supplies and tubingDemonstrates that electric charge resides only on the outer surface of a conductor, using a 5cm sphere with detachable hemispherical cups that lift away to test for residual charge.