Drilled Steel Pendulum Ball, 3/4" Type_Low Form 0-125V) up to 300mA on

0-125V) up to 300mA on six DC output terminals

Regulated dual-output power supply showing independent LED readouts of voltage and current

Autoclavable polypropylene test tube stand holding six 25-mm tubes with six drying pins on the back

Nylon ball-bearing pulley with a bench-clamp fitting for edge-mounting on a worktable

One hundred numbered slots in a hardwood storage box hold standard microscope slides for ordered reference and classroom slide-library organization

Drilled Steel Pendulum Ball, 3/4" Type_Low Form 0-125V) up to 300mA onDrilled 3 4 inch steel ball with an approximately 2. 5mm hole for string suspension, providing a high density bob for pendulum and collision momentum student investigations.