Sir, A recent trip to Germany gave me the chance to see not one but two iconic pieces of Soviet era engineering, a Tupolev 144 supersonic airliner, (dubbed by westerners 'Konkordski') and an example of the ill-fated 'Buran' space shuttle programme.rnThe twin engineering museums of Sinshem and Speyer lie about 20 miles apart, a few miles south of Mannheim.
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