Regnault's Hypsometer Category_Glassware this digital laboratory timer provides

this digital laboratory timer provides accurate countdown and count-up readouts in classroom and stockroom settings

vascular bundles

Half-wood-half-metal 200 by 30mm cylinder demonstrating thermal-conductivity differences through a wrapped paper that scorches over wood but stays uncharred over metal in flame

Built for the classic thermal-expansion demonstration

Teaches proper brushing technique through a 3x life-size jaw model with gums and oversized toothbrush

Regnault's Hypsometer Category_Glassware this digital laboratory timer providesDouble walled copper cylinder hypsometer at 34 by 6cm on a steam boiler, with thermometer tubulure and glass manometer for calibrating thermometer upper fixed points under steam.