Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment this metal-framed bench demonstration board

this metal-framed bench demonstration board uses variable resistors and switchable inputs to show how a meter measures V

Designed to project narrow beams through interchangeable slit plates

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

mechanical-advantage

Moving-coil 4-ohm driver in a frame that orients vertically or horizontally

Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment this metal-framed bench demonstration boardCast 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.