6-Piece Drilled Ball Set for Pendulum Demonstrations Glass Bottles_Reagent Bottles 5-inch skeleton in various positions

5-inch skeleton in various positions for kinesiology demonstrations

this stainless steel one-meter ruler carries stamped centimeter and millimeter graduations along its length

with masses between 50 and 400g for 5N spring-scale suspension work

Used to dissipate heat during sustained high-current work

Insulated 2mm-plug lead in the small-scale lead family

6-Piece Drilled Ball Set for Pendulum Demonstrations Glass Bottles_Reagent Bottles 5-inch skeleton in various positionsSix material drilled ball set with 25mm balls of wood, aluminum, steel, copper, brass, and lead threading onto string or rod for mass dependent pendulum period comparisons.