The 1955 Lord Mayor's Show -- The new Lord Mayor of London MR, Alderman Cuthbert Ackroyd, waves to cheering crowds of Londoners waves in the rain, as he leaves the Guildhall to login his drive to the Law Courts this morning. The annual Lord Mayor's show, with it's traditional processions of Bands, colorful floats, tableaux, etc. through the City streets, is taking place in London today. This marks the driving in state of the newly elected Lard Mayor Alderman Cuthbert Ackroyd, to the Law Courts,