PhotographyMath. On the Wall. November 23, 2011February 27, 2016 Shelly This is the wall above where the fourth floor photocopier sat. I’m not sure what the figures are for. Maybe students were trying to work out how much money they needed to put on their copy cards? Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related Published by Shelly View all posts by Shelly