US$ 334.50
Dial-selectable multi-tap battery eliminator delivering 1
Three-speed manual transmission with reverse in a clear-plated case
Pivoted needle-style electroscope that swings on its axis when a charge is applied
Continuously motor-driven to supply a steady high-voltage source
wooden barriers
Complete Photogate System, 2 Gates, 4 Timer Modes Item Type_Home Furnishing Dial-selectable multi-tap battery eliminator deliveringTwo gate photogate system with gate, pulse, pendulum, and frequency timer modes for precise measurement of velocity, acceleration, and pendulum period in physics experiments.