<P> A classic lava lamp contains a standard incandescent or halogen lamp which heats a tall ( often tapered ) glass bottle . A formula from 1968 US patent consisted of water and a transparent , translucent , or opaque mix of mineral oil , paraffin wax , and carbon tetrachloride . The clear water or mineral oil can optionally be coloured with transparent dyes . </P>
<P> A classic lava lamp contains a standard incandescent or halogen lamp which heats a tall ( often tapered ) glass bottle . A formula from 1968 US patent consisted of water and a transparent , translucent , or opaque mix of mineral oil , paraffin wax , and carbon tetrachloride . The clear water or mineral oil can optionally be coloured with transparent dyes . </P>
what kind of light does a lava lamp use
what kind of light does a lava lamp use
a standard incandescent or halogen lamp
a standard incandescent or halogen lamp