US$ 996.50
gold leaf support plate and scale to show deflection
Built around a monochromatic yellow LED light source and simplified optics
Drops a dense object and a feather together inside a 20-inch evacuated glass tube
driving performance with motor-generator #2
supporting classroom chemistry and benchtop washing workflows
15m Fiberglass Tape Measure with PVC Cover and Winding Handle Graduations_100mL gold leaf support plate andNon conductive and waterproof fifteen meter fiberglass tape measure with PVC coating and a flush winding handle, sized for field measurements and outdoor physics investigations.