Regulated DC 0-30V 2A Power Supply with AC 1-6V Output and Digital Display Lab Supplies_Tongs Eleven-ohm 5A air-cooled rheostat with

Eleven-ohm 5A air-cooled rheostat with constantan winding on a 300x44mm vitreous-enameled steel tube and a slide-bar carriage carrying a phosphor-bronze contact

supplying precise low-resistance values for Wheatstone-bridge and Ohm's-law investigations

exhaust gas analyzers

Greatly magnified Paramecium model reveals cilia arrangement

telophase — progress across this plant mitosis model for cell division teaching in biology courses

Regulated DC 0-30V 2A Power Supply with AC 1-6V Output and Digital Display Lab Supplies_Tongs Eleven-ohm 5A air-cooled rheostat withRegulated 0 to 30V DC bench supply at 2A with a dual digital display for voltage and current, plus a 1 to 6V AC output, suited to electronics and physics laboratory instruction.