Planck's Constant Determination Box Material_Hardwood Wall-mountable beech wood draining rack

Wall-mountable beech wood draining rack measures 20 x 20 inches and holds up to 90 pieces of labware inverted for post-wash drying in chemistry labs

5 inch dimensions in brass

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

this three-finger lab clamp pairs vinyl-coated prongs with a swivel bosshead for flexible rod mounting

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

Planck's Constant Determination Box Material_Hardwood Wall-mountable beech wood draining rackDesigned to measure Planck's constant through the photoelectric effect, relating photon frequency to the kinetic energy of emitted electrons for quantum physics investigations.