Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons dropping a chosen capacitor into

dropping a chosen capacitor into a circuit without unsoldering during introductory RC-circuit and resonance investigations at the bench

Used to draw electrons from glass and ebonite rods during rubbing

this enhanced optical bench set ships with a lamp housing and a matched complement of optical components

Cast-metal base mounts a heavy-duty electromagnet-driven fork at ~80Hz

Millimeter-graphed 100 x 75mm screen on a 2

Photogate Timer with 5 Timing Modes, Pair of Photogates and Mounting Rods Subcategory_Skeletons dropping a chosen capacitor intoFive timing modes (Interval, Frequency, Period, Count, Stopwatch) drive a pair of photogates on mounting rods, capturing pendulum periods, freefall times, and rolling velocities.