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

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

a low-cost option for introductory mechanical-advantage demonstrations

and Lucite dielectrics for studies of capacitance

Converts a 3-bit binary input (0V/5V logic) into a 0 to 7V analog output

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.