CHRISTCHURCH.
Last night. Bailwa7 Employees and Colour Blindness.
The recent experiments amongst the railway employees of the Middle Island under instructions from the Commissioner show that two and a half per cent, are unable to distinguish beyond black and whitej and in Christcburch. out of 266 men tested, thirty were partly color blind. In* Oamaru out of 230 men, only one was found to be color blind. The test was made in Christchurch and Oamaru by colored cards.
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https://paperspast.natlib.govt.nz/newspapers/THS18791101.2.18.3
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Thames Star, Volume X, Issue 3389, 1 November 1879, Page 3
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78CHRISTCHURCH. Thames Star, Volume X, Issue 3389, 1 November 1879, Page 3
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