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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Instructions included
Lesson plans are printed on heavy card stock and will serve for repeated use
Aluminum also is less sensitive to temperature and humidity variations that could affect the frequency
Each lesson plan has a pocket in which the Microslide® is stored
Ultimate Wire Helix (Slinky) With a stand for storage
Tuning Fork, Superior, 288 Hz Chemistry Instructions includedOur machined aluminum tuning forks are calibrated and individually tested to ensure accuracy to + 1 Hz. Aluminum also is less sensitive to temperature and humidity variations that could affect the frequency.
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