Allan Armistead wrote:
I see red or green traffic signals - if you turned the lamp set upside down
I would know it so I don't go by the "top" and "bottom" light to decide if I
go through the intersection!
Back in the seventies, we had a pilot at Balak who was so colour blind
that his traffic light mantra was:
top is stop
below is go
I understand that 10% of males are affected to some degree.
--
Leigh Bunting
Colonel Light Gardens
South Australia
<Open Windows and let the bugs in>
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