US$ 50.00
Nine dissectable sections separate the enlarged eye from its orbital cavity
Two variable 0 to 6V DC outputs paired with two fixed 6V/10W and 12V/20W AC outputs on this power supply controller
mounted to a total length of 4
sized so a class can watch gas bubbles rise off each electrode in real time during electrolysis demos
this student voltaic cell pairs metal electrodes with a porous cup separator and ships with an experiment guide for measuring cell voltage and potentials
4.75" St. Louis Motor Demonstration Apparatus Handle Type_Wood Nine dissectable sections separate theExposes 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.
US$ 50.00
US$ 282.50
US$ 282.50
US$ 60.00
US$ 249.50
US$ 124.50
US$ 124.50