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The Keeler 'A' Series Word-Chart
TEST CHARTS
near vision test
Keeler
Europe: United Kingdom
c.1965
card; plastic
overall (open): 376 mm x 204 mm

Two-piece (four-sided) spiral bound reading test chart on white board. Sizes featured: A20=18X=76D, A19=15X=60D, A18=12X=48D, A17=10X=40D, A16=8X=32D, A15=6X=24D, A14=5X=20D, A13=4X=16D, A12=3X=12D, A11=2.5X=10D, A10=2X=8D, A9=1.6X=6.4D, A8=1.3X=5.25D, also newsprint samples.


2013.568

The Norman Bier Collection, transfer from City University, 2013



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2013.568.jpg

2013.568b.jpg

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