The Camera Obscura below is is in the collection of historical apparatus of the National University of Ireland in Galway. It was used for sketching; the tracing paper was placed on the missing glass inside the folding hood, and a 45° mirror inside the box reflected the image onto the paper.
Photo: Shaun O'Boyle
Photo: Shaun O'Boyle
Photo:Shaun O'Boyle
Irregular Bones 