Lava lamp
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An original Mathmos Astro lava lamp
A lava lamp is a decorative lamp, invented in 1963 by British entrepreneur Edward Craven Walker, who made the lighting company Mathmos. The lamp usually takes 2 to 6 hours to heat up, but this also depends on the light bulb which is heating the wax. The lamps are designed in a variety of styles and colours, for example, a mixture of blue and red. The wax inside usually reflects the colours.
Lava Lamp Media
lava lamps
An original Mathmos Astro lava lamp
Blue Lava Lamp
Video of an orange lava lamp in operation
Former Lava Lamp factory, at 1650 Irving Park Road, Chicago
