3-Finger Vinyl-Coated Dual-Adjustable Extension Clamp with Swivel Boss Head, 2.3" Max engine models deflecting a pivoting cobalt-steel compass

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Three-part medical-quality human skull model with a removable calvarium and articulated mandible

Integrated tongue and dentition at 2x life size supports combined teaching of oral cavity anatomy

controllable flame shape during laboratory heating

a distinctive density reference against the lighter aluminum and heavier steel cylinders

3-Finger Vinyl-Coated Dual-Adjustable Extension Clamp with Swivel Boss Head, 2.3" Max engine models deflecting a pivoting cobalt-steel compassHeavy duty spring loaded three finger jaw with dual screw fine adjustment mounts on a swivel boss head accepting 18mm rods, opening to 2. 3 inches for condensers and flasks.