Two-Sided Boss Head Clamp, Painted Die-Cast, up to 19mm Rods Pack Size_Single 3125 inches across

3125 inches across

Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric

4 GHz bidirectional RF clicker pairs students and educators with a private help-request feature for discreet in-class support

Diamond lattice kit with 39 carbon atoms and 60 connectors for building the tetrahedral covalent network that gives diamond its exceptional hardness and optical properties

glass working

Two-Sided Boss Head Clamp, Painted Die-Cast, up to 19mm Rods Pack Size_Single 3125 inches acrossHeavy duty die cast alloy boss head with a painted gray finish and two adjustable thumbscrews, accepting rods up to 19 mm in diameter for larger retort stand assemblies.