GUN SPRAYS PARAFFIN
• BRITAIN’S AIRCRAFT OUTPUT. NEW INVENTION HELPS. British engineers have invented a new and more efficient way to wash engineering parts, particularly on the aircraft side. It is a compact and selfcontained unit from which oil is sprayed from a pistol-type gun. Metal parts needing cleaning are usually dipped in tanks of paraffin oil, or some other solvent, a process which dirties the paraffin. By the new method, the dirt is separated from the paraffin which is continuously filtered by a centrifugal clarifier. The metal parts are put on a perforated table and washed with the spray gun. The used paraffin oil drains through the perforations and a strainer to one compartment of a 1 paraffin supply tank, coupled to the centrifugal clarifier. The paraffin is pumped to the clarifier, purified and returned by way of the tank and a high-pressure centrifugal pump to the spray gun. The feature of this cleaning unit, which can easily be carried from one part of the factory to another, is that the impurities are never allowed to accumulate in the paraffin which can be used over and over again.
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https://paperspast.natlib.govt.nz/newspapers/WAITA19420406.2.63.7
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Wairarapa Times-Age, 6 April 1942, Page 5
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188GUN SPRAYS PARAFFIN Wairarapa Times-Age, 6 April 1942, Page 5
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