Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment 25-inch aluminum tuning fork features

25-inch aluminum tuning fork features a round stem that grips firmly without damping the vibration

Polished beech wood test tube rack with twelve vertical holes sized for tubes up to 28 mm diameter

Designed to project narrow beams through interchangeable slit plates

mechanical-advantage

Discontinued bench instrument with continuously variable 0-30V DC at 2A plus stepped 1-6V AC in 1V increments

Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment 25-inch aluminum tuning fork featuresCast metal base mounts a heavy duty electromagnet driven fork at ~80Hz, with a captive thumbscrew on one prong for Melde's standing wave experiment and binding posts accepting 2 6V DC.