page_title: List of South African inventions and discoveries
section_title: 1930-1960
hierarchical_section_title: List of South African inventions and discoveries / Twentieth century / 1930-1960
caption_attribution_description: The very first ct scanner prototype. Invented by Hounsfield at EMI. This picture was taken at the UKRC 2005 exhibition in Manchester G-MEX centre. Philipcosson 08:42, 20 July 2006 (UTC) Image uploaded from the English Wikipedia. See here
context_page_description: The following is a list and timeline of innovations as well as inventions and discoveries that involved South African people or South Africa including predecessor states in the history of the formation of South Africa. This list covers innovation and invention in the mechanical, electronic, and industrial fields, as well as medicine, military devices and theory, artistic and scientific discovery and innovation, and ideas in religion and ethics.
context_section_description: 1940s The Wadley loop circuit was designed by Dr. Trevor Wadley and was first used for a stable Wavemeter.
  1950 Sasol, the world's first oil-from-gas company and the country's largest fuel producer, was founded.
  1950 Q20 lubricant is invented by Mr. Robertson in Pinetown. Q20 is an all purpose lubricating spray that is owned by the Triton-Leo Group (Pty) Ltd. The name derives from "it has 20 answers to 20 questions".
  1957 Flame ionization detector by Harley and Pretorius at the University of Pretoria in Pretoria, South Africa
  1959 Tellurometer was the first successful microwave electronic distance measurement equipment and was also invented by Dr. Trevor Wadley.
  1960s  Helikon vortex separation processis an aerodynamic uranium enrichment process designed around a device called a vortex tube.The Uranium Enrichment Corporation of South Africa, Ltd. (UCOR) developed the process, operating a facility at Pelindaba near Pretoria.
caption: The prototype CT scanner
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