2-Prong Single-Adjustable Universal Clamp with Boss Head, Large Lab Supplies_Stopwatches & Timers providing the high-turns winding for

providing the high-turns winding for transformer ratio and electromagnetic induction demonstrations

supporting both rheostat and potentiometer use

Two pith balls suspended on unspun silk from a brass pillar

Corrosion-resistant twelve-piece stainless steel slotted mass set totaling 1110 grams from 1 to 500 gram pieces

Pairs 75 by 50mm with 18mm thickness on an acrylic rectangular refraction block

2-Prong Single-Adjustable Universal Clamp with Boss Head, Large Lab Supplies_Stopwatches & Timers providing the high-turns winding forTwo prong single adjustable universal clamp with an integral bosshead and non slip vinyl sleeves, gripping burettes and flask necks from 12 to 45 mm on retort stand rods.