Stoppered Calcium Chloride U-Form Absorption Tube, 125 x 25mm, Borosilicate Glass Safety Supplies_Gloves Finger-grip handle keeps fingers clear

Finger-grip handle keeps fingers clear of heat on this plated spring steel wire test tube clamp when holding tubes above a burner flame during classroom demonstrations

illustrating late-pregnancy presentation for obstetric and reproductive anatomy teaching

a low-cost option for introductory mechanical-advantage demonstrations

Polished copper calorimeter at 75 by 50mm with a lidded wood-and-plastic cover

Stoppered Calcium Chloride U-Form Absorption Tube, 125 x 25mm, Borosilicate Glass Safety Supplies_Gloves Finger-grip handle keeps fingers clearStoppered U form absorption tube constructed from borosilicate glass supports calcium chloride drying and analytical chemistry procedures.