Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models Standard 30° apex glass prism

Standard 30° apex glass prism with 30° x 30° x 120° geometry

Bobbin-wound coil for the demountable transformer with panel-mount 4mm sockets and an enclosed earth connection

Plano-cylindrical lens at 50 by 50mm with 17 diopter optical power and ground polished edges

this 15-inch motion-converter model shows the engineering principle behind crankshaft pistons and rotary-to-linear mechanisms

sized for very-high-turn-count coil construction and microcurrent prototyping work

Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models Standard 30° apex glass prismNatural gas Tirrill Bunsen burner pairing a gas flow valve with air flow adjustment for finer flame control, set on a cast iron anti tip base for bench stability.