240V Lamp for Optical Bench (Discontinued) Heat & Thermodynamics_Pressure & Gas Laws Heavy-base Bunsen burner adds stopcock

Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel

a distinctive density reference against the lighter aluminum and heavier steel cylinders

and laboratory procedures

75 lb retort set accepting 10 by 1

providing dense uniform spheres for ramp-and-collision experiments where a heavier projectile is needed than the plastic marbles can provide

240V Lamp for Optical Bench (Discontinued) Heat & Thermodynamics_Pressure & Gas Laws Heavy-base Bunsen burner adds stopcockConical lamp house with a 240V 15W bayonet cap pygmy lamp on a 6mm metal rod, supplied with 1. 5m of twin flex for connection to mains grade optical bench setups.