Free Fall Apparatus Economy, for determination of the gravitational constant ft gft, This kit has a wooden base, 1.1m rod and a movable electro magnet, can be moved anywhere on the rod, when the ball is released the timer is triggered and stopped one the ball his landed on the base
Digital Temperature Controlled Solder Station, Professional Soldering Station 48W, DIGITAL Display, Heater Power for a 48 watt Soldering Iron, Iron Voltage is 24 VAC (station runs on 110-130 VAC 60Hz), 42 long cable on the Iron
VWR* Visual Scientifics Photogate Sensor, Four Modes: Gate, Pulse, Pendulum, Frequency, also Works with VISUAL SCIENTIFICS and numerous physical science systems, This kit contains: 2 Photogates, 2Connecting wires, Main photogate hub and control, Wall charger