Double-Pole Double-Throw Knife Switch Material_Neoprene Drilled 3/4-inch steel ball with

Drilled 3/4-inch steel ball with an approximately 2

used to map how charge density concentrates at points of higher surface curvature

Wall-plug step-down transformer with 4mm sockets and selectable 4/6/12/24V outputs at 1A

this acrylic-headed mallet delivers a firm strike that excites the fundamental frequency cleanly and reproducibly

Designed to make turns-ratio behavior tactile

Double-Pole Double-Throw Knife Switch Material_Neoprene Drilled 3/4-inch steel ball withDouble pole double throw brass knife switch, used to swap an entire circuit between two separate sources or branches at once during reversal and routing demonstrations.