Category Archives: Atomic Models

Cenco-Hart Atomic Model

Cenco-Hart Atomic Model Protons/Neutrons Classroom Demonstrator American, Central Scientific Co. 1950-60’s Enameled & silkscreened metal, plastic knobs. Very good working condition. 22″ diameter. SOLD

Cenco-Hart Atomic Model

Cenco-Hart Atomic Model Protons/Neutrons Classroom Demonstrator American, Central Scientific Co. 1950-60’s Enameled & silkscreened metal, plastic knobs. Very good working condition. 22″ diameter. SOLD