Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Entry-level two-part human skull model

Entry-level two-part human skull model separates the skull cap to reveal the cranial cavity for introductory head-anatomy teaching at secondary and college levels

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

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

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

Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Entry-level two-part human skull modelCast 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.