Objects

Viewing Record 65 of 433
Previous Record  Next Record
Switch Views: Lightbox | Image List | List

Dr Pray's Astigmatic Letters Chart No 1954
TEST CHARTS
astigmatism test
American Optical Co
North America: USA, Massachusetts, Southbridge
c.1947
cardboard; wood; glass
chart: 455 x 280 mm; frame: 548 x 370 mm

Domiciliary astigmatism test chart consisting of four lines of equally-sized letters made up of differently sloping lines. Metal-reinforced suspension ring. Mounted and glazed in a modern cherry wood frame.


2000.47

Gift of Mr John Redwood, 2000



Related Media

Related Objects

thumbnail Trial case belonging to Arthur Bennett
American Optical Company
Mid 20th c.
View

Browse by