Convection of Gas Apparatus, 10 x 4 x 3" Heat & Thermodynamics_Pressure & Gas Laws Used to crank a row

Used to crank a row of 16 cam-driven rods through a moving sine wave

and strings for equilibrium and vector experiments

Nine dissectable sections separate the enlarged eye from its orbital cavity

Chrome-plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations

sodium benzoate

Convection of Gas Apparatus, 10 x 4 x 3" Heat & Thermodynamics_Pressure & Gas Laws Used to crank a rowCompact metal box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys, a sliding front door, and a candle holder, tracing hot air flow between the twin flues.