The R.A.F. Gloster Meteor IV, EE.549, which last year made the world’s speed record of 616 m.p.h., seen over Champs Elysees on Wednesday. Paris crowds watched the pilot, Sqdn.-Ldr. W.A. Waterton, demonstrate the plane’s powers over the heart of the capital. Our Air Correspondent writes: Sqdn.-Ldr> Waterton yesterday brought the Meteor back from K eBourget to Croydon in 21 mins. 11 sec. He subsequently landed at teh R.A.F. airfield, Farnborough, Hants. It is claimed that teh aircraft took an elapsed time between teh airports