Chapter 8

The story of radar development

EMI and Alan Blumlein were not directly responsible for the invention of radio direction finding (RDF) or radar (RAdio Detection And Ranging), as it would eventually be known. They did however, play an increasingly important role in the development and application of certain elements that were used in the original form of the invention, as well as the improvement and refinement of H2S, one of the most widely used forms of the device. Blumlein’s association with the assembly and testing of what became the most effective of all the radar systems used during the Second World War, would ultimately cost him his life.

The work that EMI and Alan Blumlein carried out with radar arose from an almost natural progression ...

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