Objects

Viewing Record 5 of 5
Previous Record  
Switch Views: Lightbox | Image List | List

Pelli-Robson Contrast Sensitivity Chart 7002250
TEST CHARTS
contrast test
Metropia Ltd; Clement Clarke; Haag-Streit International
Europe: United Kingdom, England, Essex, Harlow
1988
card; plastic
overall: 840 mm x 593 mm

Large stiffened card chart for testing contrast sensitivity using test letter types, with white plastic upper and lower hanging rods (two copies, identical apart from different sets of letters). Blank on reverse.


2020.262

Gift of Mr John Dixon Salt FCOptom, 2020



Browse by