Spare Changeover Switch Component Entomology & Zoology_Zoology Models Student bacteria test kit includes

Student bacteria test kit includes 400mL agar and supplies for microbiological investigations

Bright-line helium spectrum tube at 26cm with a 10cm central capillary

and resonance through a 6V motor driving cams and spring actuators across four springs and two hanging masses on a 19-inch frame

Decade capacitance box stepping 10nF to 100nF in 10nF increments at plus-or-minus 5% on 63V

and dual surfaces for comparative coefficient-of-friction measurement against spring scales

Spare Changeover Switch Component Entomology & Zoology_Zoology Models Student bacteria test kit includesChangeover switch component replaces parts in compatible educational apparatus for circuit control and electrical demonstration applications.