Student Hooke's Law Apparatus with Weights Pack Size_4 Nineteen-piece electrostatics kit anchored by

Nineteen-piece electrostatics kit anchored by a gold-leaf electroscope

Hand-painted animal cell model on standard base displays organelles

and electrostatic discharge

5 inch dynamics carts in solid wood and aluminum with nylon ball-bearing wheels

this fan-shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles

Student Hooke's Law Apparatus with Weights Pack Size_4 Nineteen-piece electrostatics kit anchored byMillimeter graduated 15cm Hooke's Law scale on a 30cm support rod, supplied with weights and set up to minimize parallax error during spring extension measurements.