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

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

5cm inner and 4

cranial sinuses

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 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.