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When the initial Brabazon findings were published, Bristol responded by submitting a slightly modified version of their bomber to meet the needs for the Type I requirement. As Bristol's earlier work had shown the performance the Brabazon Committee has been seeking, the Company was authorised to proceed with preliminary design work, on the proviso that work on wartime aircraft was not disrupted. A contract to produce a pair of prototype aircraft was issued and concepts for the Bristol Type 167 Brabazon Type 1 started to be published through Bristol-drawn advertisements appearing in the wartime aviation press.
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