5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods with adjustable slit and draw-out

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

paired with electroscopes and pith balls in classic electrostatic-charging investigations

this polished hardwood funnel stand holds two 1

with identical volumes across specimens for direct mass-density comparison

sized for ripple tank and bulb-driven physics demonstrations

5-Material Equal Mass Density Set (Aluminum, Brass, Nylon, Acrylic, PVC) Metal Labware_Metal Bases & Rods with adjustable slit and draw-outEqual mass density set in aluminum, brass, nylon, acrylic, and PVC, the shared mass isolating volume and density as the distinguishing variables across metals and polymers.