US$ 141.95
111110 megohms across seven cascaded decades
bridging picofarad and microfarad ranges for RC-time-constant and oscillator investigations
and normal or reverse faults to visualize tectonic deformation
U-magnet and brass-rail apparatus that demonstrates the motor effect
this model removes a brain half to expose the cortical surface
Volta Pile Apparatus Chemical_Potassium Acid Phthalate 111110 megohms across seven cascadedWorking replica of Alessandro Volta's pile, alternating zinc and copper plates separated by electrolyte soaked felt to generate measurable voltage and trace the origins of the modern battery.
US$ 141.95
US$ 11.99
US$ 23081.21
US$ 18.99
US$ 112.04
US$ 205.49
US$ 35.95
US$ 1448.46
US$ 1374.89
US$ 140.18