2-Prong Single-Adjustable Universal Clamp with Boss Head, Large Lab Supplies_Stopwatches & Timers Three-bob pendulum stand mounting iron

Three-bob pendulum stand mounting iron

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

with a slide-bar carriage carrying a phosphor-bronze contact and three binding posts

Twelve-ball drilled set in a foam-lined plastic case with two each of aluminum

supporting both rheostat and potentiometer use

2-Prong Single-Adjustable Universal Clamp with Boss Head, Large Lab Supplies_Stopwatches & Timers Three-bob pendulum stand mounting ironTwo 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.