Hand Pump for Physics Demonstrations Subcategory_Wash Bottles 110 ohms via rotary selector

110 ohms via rotary selector knobs

Germanium diode on a transparent base with 4mm color-coded sockets and a printed circuit diagram

this 15-inch motion-converter model shows the engineering principle behind crankshaft pistons and rotary-to-linear mechanisms

Comprehensive seven-piece acrylic blocks set at 25mm thickness

Used to trace the invisible shape of magnetic fields

Hand Pump for Physics Demonstrations Subcategory_Wash Bottles 110 ohms via rotary selectorHand operated pressure pump supplying positive pressure for gas law, pressure vessel, and pneumatic demonstrations, a battery free source for physics classes exploring pressure behavior.