Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Designed to project narrow beams

Designed to project narrow beams through interchangeable slit plates

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

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

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

Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Designed to project narrow beamsCast 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.