47" 3-Wire Sonometer for Mersenne's Law Biology_Microscopy Compact 14 by 12 by

Compact 14 by 12 by 11 cm autoclavable polypropylene basket organizes test tubes during experiments

exposing the triangular rotor's epitrochoidal motion with a lamp-lit ignition point

these plastic forceps provide precision grip for specimen manipulation without damaging delicate tissues or structures

and four rotary controls

5 inch Alnico horseshoe sits between the 1

47" 3-Wire Sonometer for Mersenne's Law Biology_Microscopy Compact 14 by 12 byThree wire setup pairs a 100N spring balanced string, a pulley loaded weighted string, and a wrist pin string across a 720mm bridge span on a 1290 x 130 x 110mm hollow wooden sounding box.