Economy Hope's Apparatus Material_Cork Used to find resonance points

Used to find resonance points in an open air column by sliding the tube length against a struck tuning fork

001 inch with a friction roller and a lock mechanism for held readings

this Euro-design measuring jug carries raised graduations with a tapered spout and handle for steady bulk pouring

illustrating molecular symmetry and bonding geometry

Ceramic ring magnet with 18mm outer diameter

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.