250-Pack Small Graduated Polypropylene Medicine Cups, 25mL with 5mL Graduations Chemical_Potassium Chloride Adjustable mass on one fork

Adjustable mass on one fork shifts its 440Hz pitch by a few hertz

dimensioned to drop into the PH0652 optical bench for hands-on study of Malus's law and crossed-polaroid extinction

Used to bridge a 4mm-socket instrument to a bare-component test point on the bench

portable enough for mobile demonstrations of current-driven magnetic field strength

Offering four-decade rotary selection from 0 to 11

250-Pack Small Graduated Polypropylene Medicine Cups, 25mL with 5mL Graduations Chemical_Potassium Chloride Adjustable mass on one forkBulk pack of 250 polypropylene medicine cups features 5mL graduations through 25mL capacity for classroom chemistry and medical training use.