Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Polished beech wood test tube

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

5cm inner and 4

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

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

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

Electric Tuning Fork Lab Equipment and Supplies_Lab Equipment Polished beech wood test tubeCast 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.