O-Ring Belt Replacement for Van de Graaff Generator, Single Subject_Astronomy Heavy 150 x 25 x

Heavy 150 x 25 x 15mm Alnico U-shape with clearly marked poles and a keeper bar

this 500mL wide-mouth LDPE squeeze rinse bottle features a non-vented cap for controlled directed dispensing

Built to demonstrate the diverging-lens eyepiece pioneered by Galileo

Glass prism with a 15-degree apex and 15° x 15° x 150° angles

supporting reproductive biology teaching

O-Ring Belt Replacement for Van de Graaff Generator, Single Subject_Astronomy Heavy 150 x 25 xReplacement Van de Graaff O ring belt sized for the PH0918A and PH0919A generators, the consumable wear part that transfers charge between the drive wheel and the high voltage dome.