2-Prong Double-Adjustable Universal Clamp Subcategory_Stopwatches and Timers letting students plot resonance against

letting students plot resonance against length and back-calculate the speed of sound

sliding through a full octave from C5 (521Hz) to C6 (1024Hz) for hands-on comparison of length to fundamental frequency

with two 4mm terminal posts

Class-visible 12-inch demonstration meter with magnetically damped moving coil and Perspex front-and-back panels

75-inch top for stable heating of beakers and evaporating dishes

2-Prong Double-Adjustable Universal Clamp Subcategory_Stopwatches and Timers letting students plot resonance againstTwo prong double adjustable universal clamp with vinyl sleeved jaws, gripping burettes, tubes, and flask necks up to 55 mm across with independent thumbscrew adjustment.