Mechanical Stop Watch, 1/5 Second Graduations_50mL mechanical advantage

mechanical advantage

displayed on a wooden block for balance calibration and weighing experiments in the lab

dissipating heat across the slide-bar carriage during sustained high-current circuit work in physics laboratory demonstrations

One-microfarad electrolytic capacitor in an ABS module with 4mm sockets

and vestibular structures at visible scale for group classroom demonstrations of auditory anatomy

Mechanical Stop Watch, 1/5 Second Graduations_50mL mechanical advantageFor timing experiments in physics classrooms, this mechanical stopwatch reads to one fifth of a second on an analog dial, running battery free for repeatable classroom and stockroom use.