US$ 39.97
Used to find resonance points in an open air column by sliding the tube length against a struck tuning fork
sized for the next step up from the 100uA meter when small-signal circuits exceed its full-scale deflection
25 inches tall and 4
5A of current
while the cast iron anti-tip base keeps the unit upright on classroom benches
Economy Hope's Apparatus Material_Cork Used to find resonance pointsEconomy Hope's apparatus demonstrating the anomalous expansion of water near 4C as thermometers at different heights register densest water sinking while colder water rises.
US$ 39.97
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