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TNO priegeltest
TEST CHARTS
near vision test
TNO Human Factors Research Institute; provop bv
Europe: Netherlands, Amsterdam
1994
plastic
overall: 110 mm x 68 mm x 53 mm

Desk-top self-illuminating occupational near vision test. White plastic casing with raised disc to upper/front surface encapsulating translucent panel bearing microscopic chart of Landolt rings. On-off switch and red power indicator light. Interior contains rechargeable battery. Black electrical mains lead and UK 3-pin plug.


2015.193

Gift of Mr Henri Obstfeld, 2015



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