US$ 202.50
25 mm diameters
and vestibular structures at visible scale for group classroom demonstrations of auditory anatomy
Bulb connected to a bourdon guage
displayed on a wooden block for balance calibration and weighing experiments in the lab
Mechanical Stop Watch, 1/5 Second Graduations_50mL 25 mm diametersFor 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.
US$ 202.50
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