Teclu Burner with Needle Valve, Natural Gas Heat & Thermodynamics_Energy Transfer & Engines Large-wheel pulley mounted on a

Large-wheel pulley mounted on a universal clamp for attachment to retort rods or support stands

producing audible beats when sounded against its fixed-frequency partner on the matching wooden resonance base

this polypropylene graduated cylinder set is Class B-tolerant

an ignition light firing on compression for visual timing

Replacement drive belt matched to the companion hand-crank Van de Graaff generator

Teclu Burner with Needle Valve, Natural Gas Heat & Thermodynamics_Energy Transfer & Engines Large-wheel pulley mounted on aTeclu burner runs on natural gas with needle valve flame adjustment to produce a high temperature, finely controllable flame for chemistry heating.