Tirrill Burner with Octagonal Base, Natural Gas Physics_Heat & Thermodynamics Thirty-atom organic chemistry model set

Thirty-atom organic chemistry model set with 24 short and long bonds

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

supporting small-feature eye anatomy teaching

Battery-powered iron-clad electromagnet that lifts up to 100 pounds from its end hooks on four C cells

this three-piece acrylic equilateral prism set supports optics experiments in dispersion and wavelength separation

Tirrill Burner with Octagonal Base, Natural Gas Physics_Heat & Thermodynamics Thirty-atom organic chemistry model setTirrill burner on a stable octagonal base adds air, flame, and gas control on natural gas for high temperature chemistry heating applications.