ObjectsViewing Record 37 of 79
Previous Record Next Record
Switch Views: Lightbox | Image List | List
Europe: United Kingdom
Early 20th c.
overall: 67 mm x 95 mm; overall: 69 mm x 103 mm
Small test target card for use in an optometric instrument. Contains four passages of text in ascending letter size, all excerpts from the autobiography of Benjamin Franklin. Two examples, fashioned from different types of plastic, one with a grooved septum line on the reverse.
Gift of Glasgow Caledonian University, 2012