Plain Bend Receiver Adapter, 29/32 Socket and 29/32 Cone, Borosilicate Glass Subcategory_Geology Models Length-adjustable wooden pendulum simple-machine model

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

sized to drop a household-style bulb into a student-built circuit for power-and-Ohm investigations

5 by 2 inch metal frame with a centered 2-inch wheel and one hook

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

Plain Bend Receiver Adapter, 29/32 Socket and 29/32 Cone, Borosilicate Glass Subcategory_Geology Models Length-adjustable wooden pendulum simple-machine modelPlain bend receiver adapter in borosilicate glass features 29 32 socket and 29 32 cone for distillation collection with right angle redirection.