Description
5A of current
Ceramic ring magnet with 18mm outer diameter
Borosilicate glass U-tube manometer with a built-in stopcock mounted on a back-plate 80-0-80 scale at 2mm subdivisions
Used to find resonance points in an open air column by sliding the tube length against a struck tuning fork
while the cast iron anti-tip base keeps the unit upright on classroom benches
Economy Hope's Apparatus Material_Cork 5A of currentEconomy Hope's apparatus demonstrating the anomalous expansion of water near 4C as thermometers at different heights register densest water sinking while colder water rises.
Exchange/Return Notes
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