Lattice Support Clamps, 12.5mm Rods, 12-Pack Capacity_2000mL 25-inch Atwood machine with two

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

237kg hooked masses for measuring spring extension under load and calculating spring constants

Closing to 3m and extending to 9m

Lattice Support Clamps, 12.5mm Rods, 12-Pack Capacity_2000mL 25-inch Atwood machine with twoPack of 12 metal lattice support clamps fitting rods up to 12. 5 mm in diameter, tightened with an Allen wrench for constructing lattice frameworks on laboratory benches.