US$ 69.99
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
The topics covered on this board include: Fuel tank
and a 1-degree protractor
Complete Photogate System, 2 Gates, 4 Timer Modes Item Type_Home Furnishing Three-speed manual transmission with reverseTwo gate photogate system with gate, pulse, pendulum, and frequency timer modes for precise measurement of velocity, acceleration, and pendulum period in physics experiments.
US$ 69.99
US$ 55.00
US$ 81.00
US$ 18.99
US$ 153.00
US$ 40.95