The modern world was born on a printing press. Once essential to communication, the traditional methods of the 500-year-old process is now in danger of being lost as its caretakers age. From self-proclaimed basement hoarders to the famed US letterpress printer Hatch Show Print, Pressing On: The Letterpress Film explores the question: why has letterpress survived? The screening at the St Bride Foundation will be followed by a panel discussion chaired by Catherine Dixon with Mick Clayton, Liz Fraser, Simon Goode, Julieta H. Adame, Thomas Mayo and David Vassie. General admission is £12.50.