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File:W. Ross Ashby's 1948 Homeostat.jpg

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English: The Homeostat consisted of four interconnected Royal Air Force bomb control units with inputs, feedback, and magnetically driven, water-filled potentiometers. It illustrated his law of requisite variety — automatically adapting its configuration to stabilize the effects of any disturbances introduced into the system.
Date
Source Own work
Author Mick Ashby, on behalf of the Estate of W. Ross Ashby

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W. Ross Ashby constructed the adaptive ultrastable Homeostat in 1948
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