[78-L] ^Black Out, White In?

[Steven C. Barr]

From: "David Lennick" <dlennick at sympatico.ca>
>> I recall seeing the green chalkboards...but NOT at my school(s) which
>> were built and equipped in the twenties if not earlier? Also, I don't
>> think anybody...including the manufacturers...promoted them as
>> "greenboards"...?!
>> Steven C, Barr
> Weren't they referred to professionally as "sight saver boards"? We 
> started having them in the early 50s. Still called them blackboards 
> though.
>
IIRC, that was the whole point of them...they were supposed to be
easier on young children's eyes than the original black boards?!

Steven C. Barr