'The Knifeboard Bus', 1900, (1933). Passengers on a London open-top horse-drawn bus, so-called because 'the seat on the top along which the passengers sat back to back...similar to the boards on which the domestic servants of the day had to clean, polish, and sharpen the cutlery of their master's tables'. From "The Pageant of the Century". [Odhams Press Ltd, 1933]