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hand-held magnifier
Nerve Cells (300x)
The machine has a hook attached to its rear end and can pull dynamics carts to demonstrate the concept of vectors and velocity
Aluminum also is less sensitive to temperature and humidity variations that could affect the frequency
Do you want to see what a water molecule looks like
Tuning Fork, Superior Musical "A", 440 Hz model hand-held magnifierOur 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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