2-Prong Double-Adjustable Stainless Steel Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Safety Supplies_Gloves introducing combinational-logic behavior by using

introducing combinational-logic behavior by using physical relays so students can hear and see the gate state in real time

organized for classroom physics investigations in mechanics

Three-inch inner diameter supports beakers and funnels on this plated mild steel closed retort ring

Exposes every moving part of a two-pole armature rotating between permanent magnets on an open 4-inch plastic base

sized for repeated student use on solid-core and stranded wire ahead of crocodile-clip and terminal-block work

2-Prong Double-Adjustable Stainless Steel Clamp with Vinyl Grip and Swivel Boss, 21mm Rod Safety Supplies_Gloves introducing combinational-logic behavior by usingStainless steel two prong double adjustable universal clamp with vinyl coated prongs and a swivel bosshead up to 21 mm, gripping burettes and tubes up to 2. 15 inches across.