Photography is, by definition, a technique which enables us to create images through the action of light. As a result, a photographic image does not necessarily have to be created with a camera. A photogram, for example, is a photographic image obtained by placing objects directly on a light-sensitive surface exposed to light. Taking inspiration from this technique, I sought to explore the impact that glass can have on light by creating photograms with the help of plaques of coloured glass. The distinctive feature of the glass used was its iridescence. In effect, it had been treated so as to present a vitreous surface that reflected a broad spectrum of colours. I arranged these plaques at random on a photosensitive surface before lighting them by various means so as to play on their colour schemes and transparencies. This resulted in abstract coloured images, which are also materialisations of light through glass.