Tirrill Burner with Octagonal Base, Natural Gas Physics_Heat & Thermodynamics supporting small-feature eye anatomy teaching

supporting small-feature eye anatomy teaching

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

Hand-cranked to convert mechanical work into electrostatic energy

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

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

Tirrill Burner with Octagonal Base, Natural Gas Physics_Heat & Thermodynamics supporting small-feature eye anatomy teachingTirrill burner on a stable octagonal base adds air, flame, and gas control on natural gas for high temperature chemistry heating applications.