Convection of Gas Apparatus, 10 x 4 x 3" Heat & Thermodynamics_Pressure & Gas Laws Nine dissectable sections separate the

Nine dissectable sections separate the enlarged eye from its orbital cavity

110 ohms at one-percent tolerance

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

the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays

and copper supports density

Convection of Gas Apparatus, 10 x 4 x 3" Heat & Thermodynamics_Pressure & Gas Laws Nine dissectable sections separate theCompact 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.