9020 "NIMBUS" has the ignominy of having to wait at signals near Potters Bar with the 1L22 15:55 King's Cross - Harrogate on the 7th September 1970 - thus giving the driver chance to pose for the photographer...

...Another view sees a two car DMU sidle up to stop at the signals as 9020 finally gets the 1L22 away once more.

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