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10 or 20 minutes
Long Battery Life: Powered by a CR2032 button battery lasting 2-3 years
and research facilities
designed in Green/Yellow
starch granule
Tunning Forks Set 10 or 20 minutesDesigned for physics experiments. Nickel plated, plain shanks. Scientific Pitch, C4 = 256Hz. Frequency marked: C (256). D (288), E (320), F (341), G (384), A (426), B (480), C (512). Supplied in wooden case Premium Quality: Tuning Fork is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and
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