Crookes Radiometer, 2.75" (70mm) Diameter, on Plastic Base Subcategory_Racks and Stands this 2-input XOR gate module

this 2-input XOR gate module shows HI and LO output states with red and green LEDs and a printed reference

Single-decade resistance box stepping from 1k ohm to 10k ohms in 1k-ohm increments on a rotary dial

250mL CAPACITY || Single Erlenmeyer Flasks with 250mL capacity and easy-to-read white enamel graduations every 50mL

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Crookes Radiometer, 2.75" (70mm) Diameter, on Plastic Base Subcategory_Racks and Stands this 2-input XOR gate moduleEvacuated 2. 75 inch glass bulb on a plastic base with black and white vanes that spin under light exposure, the classic demonstration of differential radiant heat absorption.