89-Atom Molecular Model Set Capacity_150mL the elongated triangular body fitting

the elongated triangular body fitting wider-beam refraction setups and class-front dispersion demonstrations

filtration demonstrations

an aluminum transfer bar

configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

89-Atom Molecular Model Set Capacity_150mL the elongated triangular body fittingUsed to build a moderate range of organic and inorganic molecules, this 89 atom set in a compartmented case supplies durable plastic atoms and connecting links for chemistry investigations.