2-Prong Double-Adjustable Universal Clamp Subcategory_Stopwatches and Timers calculating radius of curvature for

calculating radius of curvature for round and spherical optical surfaces

4 inches long for chemistry and microbiology classroom stations

with two 4mm terminal posts

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

the foundation for student-built series-parallel circuits and electromagnetic-induction demonstrations

2-Prong Double-Adjustable Universal Clamp Subcategory_Stopwatches and Timers calculating radius of curvature forTwo prong double adjustable universal clamp with vinyl sleeved jaws, gripping burettes, tubes, and flask necks up to 55 mm across with independent thumbscrew adjustment.