Conical Conductor for Electrostatics Subcategory_Brushes Simple-form Boyle's Law apparatus pairing

Simple-form Boyle's Law apparatus pairing a graduated plastic syringe on a wooden block with a weighted piston

and triple-parallel plastic wheels at 50mm diameter in low-friction ball-bearing steel frames

and craniofacial anatomy teaching

Integrated boss head joins a 7

Wooden handle supports a 12-inch bristle cleaning brush for scrubbing general glassware

Conical Conductor for Electrostatics Subcategory_Brushes Simple-form Boyle's Law apparatus pairingUsed to extend the curvature vs charge density study to larger geometries, this aluminum cone on an insulating rod holds induced charge for surface charge mapping with a proof plane.