Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models sized so students can see

sized so students can see the moving-coil mechanism while it reads

Wooden-handled bimetallic strip of bonded copper and steel

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

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

Tirrill Natural Gas Bunsen Burner with Cast Iron StabiliBase and Gas Flow Control Human Anatomy_Human Anatomy Charts & Models sized so students can seeNatural 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.