US$ 175.00
used as the standard positive partner to ebonite in triboelectric investigations
the visible-spectrum sectors blur into an off-white blend when the card is spun rapidly
and sliding protractor — the parallel-numbered twin of PHVSLFIP
5mA moving-coil galvanometer at plus-or-minus 2
7cm hoop offers 5/10/15-turn taps and an included compass needle for direct deflection readings
Glazed Porcelain Beehive Shelf, 4 inch Physics_Heat & Thermodynamics used as the standard positiveGlazed porcelain beehive shelf measures 4 inches with glazed interior and exterior for gas collection over water in pneumatic trough procedures.
US$ 175.00
US$ 90.00
US$ 170.00
US$ 134.50