Heavy Duty Cast Metal Newton's Second Law Apparatus, 10 x 2.5" Base Chemistry demonstrating that sound requires a

demonstrating that sound requires a medium to propagate

Female pelvic skeleton model reveals wider pelvic inlet and birthing canal adaptations for reproductive anatomy and obstetrics teaching

built to support full-size anatomical skeleton models in classrooms and laboratories

dual digital displays monitoring voltage and current simultaneously

plus glass

Heavy Duty Cast Metal Newton's Second Law Apparatus, 10 x 2.5" Base Chemistry demonstrating that sound requires aCast metal Newton's Second Law apparatus on a 10 by 2. 5 inch base with a two tension setting spring gun and visible internal components, mounted on a 7. 5 inch rod for clamp stand setups.