US$ 34.00
Machined 19-11/16 by 1/4 inch aluminum rod sized as a replacement for thermal linear expansion apparatus
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
letting students plot resonance against length and back-calculate the speed of sound
2-Prong Double-Adjustable Universal Clamp Subcategory_Stopwatches and Timers Machined 19-11/16 by 1/4 inchTwo prong double adjustable universal clamp with vinyl sleeved jaws, gripping burettes, tubes, and flask necks up to 55 mm across with independent thumbscrew adjustment.
US$ 34.00
US$ 111.75
US$ 78.67