Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models formed to measure atmospheric pressure

formed to measure atmospheric pressure through mercury or indicator-fluid column rise

Wood-baseboard sonometer 98 x 9cm on four feet

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

Stabilizer-free Bunsen burner runs on natural gas for routine heating in chemistry and biology classroom laboratories

Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models formed to measure atmospheric pressureNatural 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.