Student Stethoscope with PVC Tubing and Stainless Steel Binaural Capacity_500mL Riveted 10-inch compound bar in

Riveted 10-inch compound bar in brass and steel

Designed to make turns-ratio behavior tactile

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

supplying steady low-voltage current to electronics and optics circuits on student benches

Student Stethoscope with PVC Tubing and Stainless Steel Binaural Capacity_500mL Riveted 10-inch compound bar inPVC tubing and a stainless steel binaural on this student stethoscope let beginners hear heart and lung sounds during basic physiology and anatomy lab work.