US$ 147.50
Removable full-term fetus in a 16
measuring period under different loads to isolate mass from weight
delivering wheel-driven power to a lamp or a Newton color disc
mechanical-advantage
drawing both DC and AC simultaneously with short-circuit protection via a 0
Demonstration DC Electric Motor Light & Optics_Spectroscopy Removable full-term fetus in aOpen frame demonstration DC motor exposing armature, brushes, commutator, and field magnet for direct observation as students trace how current produces rotation in a closed magnetic circuit.
US$ 147.50
US$ 137.50
US$ 49.95
US$ 165.00
US$ 167.50
US$ 24.00
US$ 49.95
US$ 54.95
US$ 140.00