Accession Number: 2011.ph.570
Long glass “board” or pane with a triangular prism adhered to the board at one end with a resin. Object is set within a custom-made wooden box with green felt mount inside.
Primary Materials: Glass, wood, wool
Glass object: 3×10.5×50 Wooden case:7×23.5×53
Unknown: likely used in optical experiments and demonstrations.
Good: Resin adhering the prism is darkened, and there is a large chip in the side of the prism (but not a polished side). The wooden case has two cracks in the bottom panel.
Date of Manufacture: Ca. Mid-20th Century
University of Toronto Physics Department