| rdfs:comment | - The FIDO system was developed at the department of chemical engineering of the University of Birmingham, United Kingdom, during the Second World War. The invention of FIDO is formally attributed to Dr John David Main-Smith, an ex-Birmingham resident & Principal Scientific Officer of the Chemistry Dept of the Royal Aircraft Establishment at Farnborough, Hants, and as a courtesy the joint-patent (595,907) held by the Ministry of Supply was shared by the department head Dr Ramsbottom as was normal practice at that date. This formal government recognition is enshrined in an Air Ministry postwar letter to the late inventor's late widow and held by the son Bruce Main-Smith (February 2008). It also deals with the lesser role of those developing support equipment, notably the FIDO burner.
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| abstract | - The FIDO system was developed at the department of chemical engineering of the University of Birmingham, United Kingdom, during the Second World War. The invention of FIDO is formally attributed to Dr John David Main-Smith, an ex-Birmingham resident & Principal Scientific Officer of the Chemistry Dept of the Royal Aircraft Establishment at Farnborough, Hants, and as a courtesy the joint-patent (595,907) held by the Ministry of Supply was shared by the department head Dr Ramsbottom as was normal practice at that date. This formal government recognition is enshrined in an Air Ministry postwar letter to the late inventor's late widow and held by the son Bruce Main-Smith (February 2008). It also deals with the lesser role of those developing support equipment, notably the FIDO burner. "It is my memory", writes B Main-Smith, "that much of the airfield installation was pioneered at Hartford Bridge Flats airfield (aka Blackbushe near Yateley, Surrey ) a convenient few miles from the RAE's Farnborough aerodrome." Though JD Main-Smith co-owned the FIDO patent, no royalties accrued from any UK civilian usage after World War II as there was none, it being too petrol-hungry. At an attempt to quantify the saving of aircrew life, B Main-Smith suggests possibly 11,000 airmen but not all would be fit to fly again.... "It is difficult for the modern (2008) UK resident to comprehend what World War II fogs were like. It was not uncommon for a person to be unable to see the hand at the end of an outstretched arm. The post-war Clean Air Act hugely ameliorated UK fogs", comments B Main-Smith.
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