US$ 124.95
Borosilicate glass U-tube manometer with a built-in stopcock mounted on a back-plate 80-0-80 scale at 2mm subdivisions
supplied with four riders
Ceramic ring magnet with 18mm outer diameter
illustrating molecular symmetry and bonding geometry
Used to find resonance points in an open air column by sliding the tube length against a struck tuning fork
Economy Hope's Apparatus Material_Cork Borosilicate glass U-tube manometer withEconomy Hope's apparatus demonstrating the anomalous expansion of water near 4C as thermometers at different heights register densest water sinking while colder water rises.