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Lava lamps An original Mathmos Astro lava lamp. A lava lamp is a decorative lamp, invented in 1963 by British entrepreneur Edward Craven Walker, the founder of the lighting company Mathmos. It consists of a bolus of a special coloured wax mixture inside a glass vessel, the remainder of which contains clear or translucent liquid.
Unlike the names in the list above, these names are still widely known by the public as brand names, and are not used by competitors. Scholars disagree as to whether the use of a recognized trademark name for similar products can truly be called "generic", or if it is instead a form of synecdoche .
Lava lamp sales by Mathmos have been through a number of ups and downs. After selling millions of lamps worldwide in the 1960s and 70s, they did not revive until the 1990s. In 1989, Cressida Granger and David Mulley took over the running of Walker's original company, Crestworth, situated in Poole , Dorset , and changed the name to Mathmos in 1992.
Carbon tetrachloride was widely used as a dry cleaning solvent, as a refrigerant, and in lava lamps. [42] In the last case, carbon tetrachloride is a key ingredient that adds weight to the otherwise buoyant wax. One speciality use of carbon tetrachloride was in stamp collecting, to reveal watermarks on postage stamps without damaging them. A ...
A wax coating makes this Manila hemp waterproof. A lava lamp is a novelty item that contains wax melted from below by a bulb. The wax rises and falls in decorative, molten blobs. Sealing wax was used to close important documents in the Middle Ages. Wax tablets were used as writing surfaces.
Wax melters are devices used in the packaging and candle-making industries to melt wax. The type of tank used to melt candle wax is quite different from adhesives, solder, and tar. For example, tanks used for adhesives may need to be heated up to 260 °C (500 °F) [ 1 ] whilst an organic soy wax will be ruined at over 60 °C (140 °F) and ...
Strictly speaking a wax emulsion should be called a wax dispersion since the wax is solid at room temperature. However, because the preparation takes place above the melting point of the wax, the actual process is called emulsification, hence the name wax emulsion. In praxis, wax dispersion is used for solvent based systems.
The Register article states that Barberio illustrated his OTRS point by citing to this Lava lamp article. The Lava lamp article was first edited via OTRS ticket on 18 June 2007 - five days after Barberio left Wikipedia. First, don't believe everything you read. Second, this talk page is for issues relating to Lava lamp article, not OTRS.