Melde's Vibrating String Apparatus Chemistry_Molecular Model Sets Thermally isolated 150mL aluminum reservoir

Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket

75-inch aluminum-and-steel frame for mass-comparison work

and mammalian organ systems for comparative vertebrate teaching

the four-sided geometry letting students explore deviation through non-equilateral cross-sections

Dark-complexion life-size human torso with 13 removable organs including brain

Melde's Vibrating String Apparatus Chemistry_Molecular Model Sets Thermally isolated 150mL aluminum reservoirFor introducing standing waves, this Melde's vibrating string apparatus pairs an oscillator driven string with a mass tray that adjusts tension to determine wavelength, period, and amplitude.