4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood this student voltaic cell pairs

this student voltaic cell pairs metal electrodes with a porous cup separator and ships with an experiment guide for measuring cell voltage and potentials

Nine dissectable sections separate the enlarged eye from its orbital cavity

this lamp holder provides connection terminals for fast wiring into series and parallel student-built circuits

and 0-50 psi / 0-3

these aluminum 4-inch overflow cans come in pairs for paired-station Archimedes-principle and density investigations

4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood this student voltaic cell pairsExposes every moving part of a two pole armature rotating between permanent magnets on an open 4 inch plastic base, running on 3 6V DC to illustrate both motor and generator operation.