The Present Age

The Present Age

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The London Telegraph says : aquot; The electric light fairly conquered a new domain. ... All woods heated away from the air yield watery vapor, chiefly, leaving nearly pure charcoal, which when burned leaves more or ... It is safe to say that, on the average, a cord of green wood will not supply for use one- half as much heat as would be produced by the same ... 2.60 Butternut 2.55 White birch 2.40 White pine 2.10 We find no record of careful experiments to test the relative value of two woodsanbsp;...

Title:The Present Age
Publisher: - 1882


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